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

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.

PRO RACING Optimist mainsheet system

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

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

Unlike some other...

Replacement Optimist halyard line with low friction ring spliced on.

Harken 40-29mm Optimist mainsheet link block

57mm Harken Carbo ratchet mainsheet block

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

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

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

Unlike some other...

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

Harken HK404 micro block

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

Flexible 40mm PVC boot to mount under ratchet blocks.

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

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

Optimist Halyard system with Windesign low friction ring.