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and for high-load control lines on small keelboats
A multi-coil spring recessed in the upper part of the cam generates near-constant torque
The HARKEN 57 mm Classic Block - Swivel
Harken 57mm Carbo Air® Single Block with Becket and compact Cam arm supports high-load purchases
HARKEN 75mm CARBO RATCHET BLOCK W/ BECKET, 2681 Blade Size_2.25 and for high-load control linesThe Carbo Ratchamatic is a load sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light air modes is seamless. Unloaded main and jib sheets run out freely during mark roundings and asymmetrical spinnakers free instantly during jibes. Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style. The
