Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]

Description

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)
Product form

Nylatron Sheave Box - Single Upright Lead BlockLead blocks are a low profile solution for leading halyards or other rig... Read more

SKU: CWR-55219
Barcode: 9316800000425

6 in stock

$37.93$32.24

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    • Shipped today? Order within: Jun 04, 2026 15:00:00 -0400

    Description

    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)

    Reviews

    Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]

    Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]

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