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Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle in front or side positions
and quints
Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter
They deliver dependable fast trim and release under high or low loads
and side plates are UV-stabilized with carbon black for maximum protection
HARKEN 75mm Triple Carbo Block - Swivel, Becket, Cam Cleat, 2669 Fasteners & Hardware_Clips Blocks feature Cam-Lock or U-LockLow friction Carbo Air blocks are lightweight, strong, reliable, and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Carbo AirBlocks are 60% stronger and 30% lighter than Harken's classic series, designed especially for the racer looking for higher strength to lower weight ratios. Use for main jib sheets, mainsheet fine tuning, control lines, vangs,
