Harken 57mm Ratchet Block With Two Way Link

Harken model 2135 57mm ratchet block, used as Optimist mainsheet block with 2-way link. Harken 57 mm carbo ratchet block. Machined aluminium sheave with 8 facets to hold the line securely. Weighs only 85 grams. The Two-way link on this ratchet block allows you to attach this block to various swivel bases that the standard shackle attachment would not fit

The U base has a 5mm Pin and will fit most swivel bases

U - Adaptor Spesification

• The 2 Way Link/U Adaptor will fit blocks with 3/8 in / 10mm posts and attach to fittings with 3/8 in / 10mm posts
• Harken 57mm Manual Ratchet Block with on off switch
• The Most popular and well used Block on the market coming standard on most new boats Worldwide