Harken 2680 75mm Carbo Ratchamatic Block

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Harken 2680 Ratchamatic Block. The Carbo Ratchmatic is a load sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as lo ads 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. Sheave diameter: 75mm Length: 137mm Weight: 238g Shackle pin diameter: 6mm Maximum line diameter: 12mm Maximum working load: 341kg Breaking load: 1361kg Holding power w/180 degree wrap: 15:1 Show more