EX1296 - 57mm Harken Carbo ratchet mainsheet block
Harken model 2135 57mm ratchet block, used as Optimist mainsheet block with 2-way link. Harken 57 mm carbo ratchet block. Machined aluminum sheave with 8 facets to hold the line securely. Weighs only 85 grams. Supplied with 2 way link to mount on EX1410.