Harken 29mm carbo block. Compact and extremely strong blocks.

Ultra lightweight for mainsheets and control lines.

These blocks can...

Replacement Optimist halyard line with low friction ring spliced on.

57mm Harken Carbo ratchet mainsheet block

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

Flexible 40mm PVC boot to mount under ratchet blocks.

This rubber stand-up from Optiparts keeps your block from hitting the deck without...

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

Unlike some other...

Optimist plain bearing halyard for Silver mast

Stainless steel spring to mount under ratchet blocks.

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

PRO RACING Optimist mainsheet system

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

Harken 40mm block on Vectran line with a safety snap shackle.

57mm black ratchet Optimist mainsheet block

Ball bearing 57mm ratchet Optimist mainsheet block.

Most economic ratchet block...

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

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 HK404 micro block

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

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