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...

Optimist hook-in block red Optiparts

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

Replacement Optimist halyard line with low friction ring spliced on.

57mm black ratchet Optimist mainsheet block

Ball bearing 57mm ratchet Optimist mainsheet block.

Most economic ratchet block...

Optimist Halyard system with Windesign low friction ring.

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

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

Harken HK404 micro block

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

57mm Harken Carbo ratchet mainsheet block

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

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

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

Unlike some other...

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

Unlike some other...