Ronstan Nylatron Sheave Box Single Upright Lead Block
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List Price $27.00

Ronstan Nylatron Sheave Box Single Upright Lead Block

Availability: Usually ships within 24 hours
List Price $27.00
Nylatron Sheave Box - Single Upright Lead Block

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverted position, are frequently used as upright leads.

Features:
The external tabs can be formed to fit the spar profile before fastening

Applications:
Typically used in dinghy spars for control lines such as outhauls

Materials:
  • Nylatron® sheave
  • Grade 316 stainless steel load housing


Specifications:
Sheave Ø:22mm(7/8")
Max. Rope Ø:3mm(1/8")
Max. Cable Ø:3mm(1/8")
Fastener Ø:5mm(3/16")
M.W.L.:160kg(350lbs)
B. L.:350kg(700lbs)
Weight:30g(1.1oz)
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Wire …
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Ronstan Wire Block Ferrule Top with Removable Nylontron Sheave 45mm(1-34/") Sheave Diameter
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Wire Block - Ferrule Top w/Removable Nylatron® Sheave - 45mm(1-3/4") Sheave Diamter

Wire blocks have …
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Wire blocks have purpose …
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MFG: RF418C
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Wire blocks have …
MFG: RF418C
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Wire blocks have purpose designed …
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MFG: RF13101-2
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Features:
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Features:
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Features:
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Series 29 Fiddle Block - Narrow with Tube Rivet Head & V-Jam …
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MFG: RF20100
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Features:
  • Low friction
  • High static and …
MFG: RF20100
Ronstan Series 20 Ball Bearing Block Single Loop Top
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MFG: RF20101
Series 20 Ball Bearing Block - Single - Loop Top

Features:
  • Low …
MFG: RF20101
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MFG: RF20111
Series 20 Ball Bearing Block - Single - Loop Top Becket

Features:
  • Low …
MFG: RF20111
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Ronstan Series 20 Ball Bearing Block Single Cheek
MFG: RF20151
Series 20 Ball Bearing Block - Single - Cheek

Features:
  • Low friction
  • High …
MFG: RF20151
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MFG: RF20151A
Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

Features:
  • Low …
MFG: RF20151A
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MFG: RF20171
Series 20 Ball Bearing Block - Upright Lead

Features:
  • Lead blocks are a low profile …
MFG: RF20171
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MFG: RF20180
Series 20 Ball Bearing Block - Swivel Hook Head

Features:
  • Low friction
  • High …
MFG: RF20180
Ronstan Series 20 Ball Bearing Block Double 2-Axis Shackle Head
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Ronstan Series 20 Ball Bearing Block Double 2-Axis Shackle Head
MFG: RF20202
Series 20 Ball Bearing Block - Double - 2-Axis Shackle Head

Features:
  • Low …
MFG: RF20202
Ronstan Series 20 Ball Bearing Block Double Becket 2-Axis Shackle Head
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Ronstan Series 20 Ball Bearing Block Double Becket 2-Axis Shackle Head
MFG: RF20212
Series 20 Ball Bearing Block - Double - Becket - 2-Axis Shackle Head

Features:
  • Low …
MFG: RF20212
Ronstan Series 20 ball Bearing Block Triple 2-Axis Shackle head
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Ronstan Series 20 ball Bearing Block Triple 2-Axis Shackle head
MFG: RF20302
Series 20 Ball Bearing Block - Triple - 2-Axis Shackle Head

Features:
  • Low …
MFG: RF20302
Ronstan Series 20 Ball Bearing Block Triple Becket 2-Axis Shackle Head
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Ronstan Series 20 Ball Bearing Block Triple Becket 2-Axis Shackle Head
MFG: RF20312
Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head

Features:
  • Low …
MFG: RF20312
Ronstan Series 20 Ball Bearing Block Triple Becket Cam Cleat 2-Axis Shackle Head
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Ronstan Series 20 Ball Bearing Block Triple Becket Cam Cleat 2-Axis Shackle Head
MFG: RF20332
Series 20 Ball Bearing Block - Triple - Becket - Cam Cleat - 2-Axis Shackle …
MFG: RF20332
Ronstan Series 20 Ball Bearing Block Single Exit Cover Plate
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Ronstan Series 20 Ball Bearing Block Single Exit Cover Plate
MFG: RF20711
Series 20 Ball Bearing Block - Single - Exit Cover Plate

Features:
  • Precision molded …
MFG: RF20711
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MFG: RF25109
Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket Option

The incredible Series 20 …
MFG: RF25109
Ronstan Series 29 Block Single Loop Top
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MFG: RF280
Series 29 Block - Single - Loop Top

Features:
  • Maintenance …
MFG: RF280
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MFG: RF30101
Series 30 Ball Bearing Block - Single - Loop Top

Features:
  • Low friction 2-stage ball …
MFG: RF30101
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MFG: RF35100
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Ball Bearing Orbit …
MFG: RF35100
Ronstan Series 30 Ball Bearing Orbit Block Single Becket Lashing head
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MFG: RF35101
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Ball Bearing Orbit …
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MFG: RF35140
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Ball Bearing Orbit Blocks™ boast the …
MFG: RF35140
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MFG: RF35151
Series 30 Ball Bearing Orbit Block™ - Cheek

Ball Bearing Orbit Blocks™ boast the highest …
MFG: RF35151
Ronstan Series 30 Ball Bearing Orbit Block Double
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MFG: RF35202
Series 30 Ball Bearing Orbit Block™ - Double

Ball Bearing Orbit Blocks™ boast the highest …
MFG: RF35202
Ronstan Series 30 Ball Bearing Orbit Block Triple
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MFG: RF35302
Series 30 Ball Bearing Orbit Block™ - Triple

Ball Bearing Orbit Blocks™ boast the highest …
MFG: RF35302
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MFG: RF35312
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Ball Bearing Orbit Blocks™ boast the …
MFG: RF35312
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MFG: RF41100
Series 40 All Purpose Block - Single - Universal Head

All purpose (AP) blocks are a great all around …
MFG: RF41100
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Ronstan Series 40 All Purpose Block Single Loop Top
MFG: RF41101
Series 40 All Purpose Block - Single - Loop Top

All purpose (AP) blocks are a great all around …
MFG: RF41101
Ronstan Series 40 All Purpose Block Single Becket Universal Head
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MFG: RF41110
Series 40 All Purpose Block - Single - Becket - Universal Head

All purpose (AP) blocks are a great all …
MFG: RF41110
Ronstan Series 40 All Purpose Block Single Becket Loop Top
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MFG: RF41111
Series 40 All Purpose Block - Single - Stand Up

All purpose (AP) blocks are a great all around …
MFG: RF41111
Ronstan Series 40 All Purpose Block Single Stand Up
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Ronstan Series 40 All Purpose Block Single Stand Up
MFG: RF41140
Series 40 All Purpose Block - Single - Stand Up

All purpose (AP) blocks are a great all around …
MFG: RF41140
Ronstan Series 40 All Purpose Block Single Cheek
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Ronstan Series 40 All Purpose Block Single Cheek
MFG: RF41151
Series 40 All Purpose Block - Single - Cheek

All purpose (AP) blocks are a great all around solution. …
MFG: RF41151
Ronstan Series 40 Ball Bearing Block Single Universal Head
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Ronstan Series 40 Ball Bearing Block Single Universal Head
MFG: RF40100
Series 40 Ball Bearing Block - Single - Universal Head

Sheaves running on Acetal or Torlon® ball …
MFG: RF40100
Ronstan Series 40 Ball Bearing Block Single Stand Up
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Ronstan Series 40 Ball Bearing Block Single Stand Up
MFG: RF40140
Series 40 Ball Bearing Block - Single - Stand Up

Sheaves running on Acetal or Torlon® ball bearings …
MFG: RF40140
Ronstan Series 45 Core Block Single Swivel Shackle Head
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Ronstan Series 45 Core Block Single Swivel Shackle Head
MFG: RF44100
Series 45 Core Block™ - Single - Swivel Shackle Head

Core Blocks™ are a true all round …
MFG: RF44100
Ronstan Series 40 Ball Bearing Orbit Block Single Becket Swivel Head
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MFG: RF45110
Series 40 Ball Bearing Orbit Block™ - Single - Becket - Swivel Head

Core Blocks™ are a true …
MFG: RF45110
Ronstan Series 40 Ratchet Orbit Block Single Auto Swivel Shackle Head
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Ronstan Series 40 Ratchet Orbit Block Single Auto Swivel Shackle Head
MFG: RF46100
Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle Head

Automatic …
MFG: RF46100
Ronstan Series 29 Utility Block Single Ferrule Eye Head
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MFG: RF469
Series 29 Utility Block - Single - Ferrule Eye Head

Stainless steel cheeks and Acetal sheaves ensure a …
MFG: RF469
Ronstan Series 50 High Load Block Single Universal Head
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MFG: RF50100HL
Series 50 High Load Block - Single - Universal Head

Ideal for high load applications. Wear resistant …
MFG: RF50100HL
Ronstan Series 50 All Purpose Block Single Universal Head
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Ronstan Series 50 All Purpose Block Single Universal Head
MFG: RF51100
Series 50 All Purpose Block - Single - Universal Head

All purpose (AP) blocks are a great all around …
MFG: RF51100
Ronstan Series 50 All Purpose Block Single Loop Head
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Ronstan Series 50 All Purpose Block Single Loop Head
MFG: RF51101
Series 50 All Purpose Block - Single - Loop Head

All purpose (AP) blocks are a great all around …
MFG: RF51101
Ronstan Series 50 All Purpose Block Single Becket Universal Head
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Ronstan Series 50 All Purpose Block Single Becket Universal Head
MFG: RF51110
Series 50 All Purpose Block - Single - Becket - Universal Head

All purpose (AP) blocks are a great all …
MFG: RF51110
Ronstan Series 55 Ball Bearing Orbit Block Single Becket Swivel Head
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MFG: RF55110
Series 55 Ball Bearing Orbit Block™ - Single - Becket - Swivel …
MFG: RF55110
Ronstan Series 55 Ratchet Orbit Block Single Swivel Head Auto & Manual
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MFG: RF56100
Series 55 Ratchet Orbit Block™ - Single - Swivel Head - Auto & Manual

Automatic Ratchet …
MFG: RF56100
Ronstan Series 25 Utility Block Single Loop Head
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MFG: RF571
Series 25 Utility Block™ - Single - Loop Head

Stainless steel cheeks and Acetal sheaves ensure a …
MFG: RF571
Ronstan Series 25 Utility Block Single Swivel Shackle Head
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Ronstan Series 25 Utility Block Single Swivel Shackle Head
MFG: RF573
Series 25 Utility Block™ - Single - Swivel Shackle Head


Stainless steel cheeks and Acetal …
MFG: RF573
Ronstan Series 60 Core Block Single
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Ronstan Series 60 Core Block Single
MFG: RF64100
Series 60 Core Block™ - Single

Core Blocks™ are a true all round solution. A tuned 2-stage …
MFG: RF64100
Ronstan Series 60 Core Block Single Becket
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Ronstan Series 60 Core Block Single Becket
MFG: RF64110
Series 60 Core Block™ - Single - Becket

Core Blocks™ are a true all round solution. A tuned …
MFG: RF64110
Ronstan Series 19 Utility Block Single Tube Rivet
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Ronstan Series 19 Utility Block Single Tube Rivet
MFG: RF661
Series 19 Utility Block™ - Single - Tube Rivet

Stainless steel cheeks and Acetal sheaves ensure a …
MFG: RF661
Ronstan Series 19 Utility Block Single Ferrule Eye Head
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Ronstan Series 19 Utility Block Single Ferrule Eye Head
MFG: RF663
Series 19 Utility Block™ - Single - Ferrule Eye Head

Stainless steel cheeks and Acetal sheaves …
MFG: RF663
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Ronstan Series 75 Core Block Single
MFG: RF74100
Series 75 Core Block™ - Single

Core Blocks™ are a true all round solution. A tuned 2-stage …
MFG: RF74100
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Ronstan Series 75 Core Block Single Aluminum Rope/Wire Sheave
MFG: RF74100AW
Series 75 Core Block - Single - Aluminum Rope/Wire Sheave

Core Blocks are a true all round solution. A …
Free Shipping Free Shipping Available
MFG: RF74100AW
Ronstan Snatch Block Acetal Sheave Single 11mm(7/16") Max. Rope Diameter
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Ronstan Snatch Block Acetal Sheave Single 11mm(7/16") Max. Rope Diameter
MFG: RF6710
Snatch Block Acetal Sheave - Single - 11mm(7/16") Max. Rope Diameter

Snatch blocks are a tough and …
Free Shipping Free Shipping Available
MFG: RF6710
Ronstan Snatch Block Acetal Sheave Single 12mm(1/2") Max. Rope Diameter
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Ronstan Snatch Block Acetal Sheave Single 12mm(1/2") Max. Rope Diameter
MFG: RF6720
Snatch Block Acetal Sheave - Single - 12mm(1/2") Max. Rope Diameter

Snatch blocks are a tough and …
Free Shipping Free Shipping Available
MFG: RF6720
Ronstan Snatch Block Alloy Sheave 16mm(5/8") Max. Rope Diameter
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Ronstan Snatch Block Alloy Sheave 16mm(5/8") Max. Rope Diameter
MFG: RF6730
Snatch Block Acetal Sheave - Single - 16mm(5/8") Max. Rope Diameter

Snatch blocks are a tough and …
Free Shipping Free Shipping Available
MFG: RF6730
Ronstan Single Lead Block 19mm(3/4") Sheave Diameter
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Ronstan Single Lead Block 19mm(3/4") Sheave Diameter
MFG: RF917
Single Lead Block - 19mm(3/4") Sheave Diameter

Lead blocks are a low profile solution for leading …
MFG: RF917
Ronstan Single Lead Block 29mm(1-3/32") Sheave Diameter
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Ronstan Single Lead Block 29mm(1-3/32") Sheave Diameter
MFG: RF919
Single Lead Block - 29mm(1-3/32") Sheave Diameter

Lead blocks are a low profile solution for leading …
MFG: RF919

Write A New Review

Ronstan Nylatron Sheave Box Single Upright Lead Block has not been reviewed yet. Review Now.
Nylatron Sheave Box - Single Upright Lead Block

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverted position, are frequently used as upright leads.

Features:
The external tabs can be formed to fit the spar profile before fastening

Applications:
Typically used in dinghy spars for control lines such as outhauls

Materials:
  • Nylatron® sheave
  • Grade 316 stainless steel load housing


Specifications:
Sheave Ø:22mm(7/8")
Max. Rope Ø:3mm(1/8")
Max. Cable Ø:3mm(1/8")
Fastener Ø:5mm(3/16")
M.W.L.:160kg(350lbs)
B. L.:350kg(700lbs)
Weight:30g(1.1oz)

Write A New Review

Ronstan Nylatron Sheave Box Single Upright Lead Block has not been reviewed yet. Review Now.

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