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Tufnol block - double

Double Tufnol Block - Fixed Bow

$65.40
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Description

Tufnol is a traditional laminated plastic material made from phenolic resin and woven cotton or linen fabric.  It is strong and light, and provides an economical, low maintenance and traditional solution for sailing boat blocks.

Our Tufnol blocks are manufactured in the Netherlands with solid stainless steel frames and brass bush bearings.

The double Tufnol block, fitted with a bow, comes in four sizes to work with ropes from 10mm through to 16mm.

 

Shell Size  Rope Size* Sheave
Diameter
Tested
Breaking Load 
Safe Working
Load 
 2-1/4" (58mm)  10mm  30mm  Approx. 600kg  300kg
 2-3/4"" (70mm)  12mm  35mm  Approx 900kg  450kg
 3-3/4" (95mm)  14mm  50mm  Approx 1720kg  860kg
 4-3/4" (120mm)  16mm  63mm  Approx 2000kg  1000kg

* Note - we recommend choosing products one rope size size larger than indicated to ensure adequate free movement.