Lewmar - HTX Halyard Block 72mm

Lewmar - HTX Halyard Block 72mm


Manufacturer #:  29197221

£104.99    (Inc. UK VAT @ 20%)RRP:  £111.13Save:  £6.14 (6%)(£87.49 Exc. VAT)

Drawing upon the design of the racing range the Lewmar HTX blocks are constructed from a minimal number of alloy parts, providing enhanced reliability. Ideal for frequently adjusted, highly loaded systems using modern line technology and reduced line diameters.

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Product Information

Higher efficiency - for faster sail handling and less rope wear

HTX blocks are more efficient then alternative brands using similar materials due to the machined bearing pin surface. HTX block efficiency improves above 450kg as acetal sheaves become self-lubricating at this point.


  • Strong aluminium side cheeks
  • Central plain bearing for efficiency at high loads
  • Side thrust Delrin ball bearings
  • Head design inspired by the Lewmar Racing Range, complete with grub screw swivel head locking mechanism

Lewmar HTX Halyard Block Specifications​

Sheave Working Load Limit Maximum Line Ø Width (A) Pin (B) Space to Pin (C)
50mmØ 800kg 10mm 15mm 6mm 8mm
60mmØ 1,100kg 12mm 18mm 8mm 10mm
72mmØ 2,000kg 14mm 23mm 10mm 9.5mm

The toggle head is designed to fit on the studs commonly found at mast bases. Check the diameter of the stud against the width of the block jaws (A) and pin diameter (B).

  A   - Alloy cheeks

  B   - Side thrust ball bearings

  C   - Central plain bearing

  D   - Head pin design inspired by Lewmar Racing series block

  E   - High Load capacity and large line size

Lewmar Block Selection Guide

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