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Harken 57mm Carbo Blocks

The high-load 57 mm Carbo has a broad working range. Use for main and jib sheets on centerboard and keelboats like Lightnings, Dragons, Solings, and J/24s, and for mainsheet systems on catamarans.

Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle in front or side positions, or swivel to keep line from twisting.

Use for:

Main/jib sheets

Mainsheet fine-tune

Control lines

Vangs

Cunninghams

Outhauls