Harken model 2135 57mm ratchet block, used as Optimist mainsheet block with 2-way link.

4 mm plate shackle to mount standard mainsheet blocks EX1318 and EX1320.

57mm Harken Carbo ratchet mainsheet block

Harken 57mm carbo ratchet block, model 2135, used as Optimist mainsheet block and Laser...

The lightweight alternative to a block, with no moving parts these are an extremely low maintainance item.

Unlike some other...

Harken HK404 micro block

Ball bearing 16mm Harken micro block with stainless steel cheeks.

PRO RACING Optimist mainsheet system

Complete Optimist mainsheet system for pro racing Optimist.
•    1 x double tapered mainsheet...

57mm black ratchet Optimist mainsheet block

Ball bearing 57mm ratchet Optimist mainsheet block.

Most economic ratchet block...

The lightweight alternative to a block, with no moving parts these are an extremely low maintainance item.

Unlike some other...

Hook-in block, ball bearing as used on the Optimist Blackgold racing masts.

Harken 40-29mm Optimist mainsheet link block

T2 soft-attach block 29mm from Harken as used on Blackgold mast halyards.

Harken 40mm carbo blocks. Compact and extremely strong blocks.

Replacement Optimist halyard line with low friction ring spliced on.

Optimist plain bearing halyard for Silver mast

PRO RACING Optimist mainsheet system

Complete Optimist mainsheet system for pro racing Optimist.
•    1 x double tapered mainsheet...

5 mm plate shackle to mount ratchet blocks and ball-bearing mainsheet blocks