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

Harken 40-29mm Optimist mainsheet link block

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

Unlike some other...

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

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

Harken 40mm carbo block.

Optimist hook-in block red Optiparts

Optimist halyard system as used on Blackgold Optimist masts.

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

Unlike some other...

Stainless steel spring to mount under ratchet blocks.

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

Ultra lightweight for mainsheets and control lines.

These blocks can...

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...

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...

PRO RACING Optimist mainsheet system

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