Maximum line Ø (mm) – 10 mm. Weight (g) – 104 g.
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This Harken 57mm ratchamatic cheek block senses the load going through the sheet and automatically engages the ratchet when needed. There is no need to change your ratchet while sailing, this cheek block automatically adjusts for the best performance.
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The 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.
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The weight of this high-strength block is only a few ounces. All T2 blocks are lashed or spliced through the load-bearing center of the block, decreasing the loads on the sideplates and acting as a safety backup for the system.
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57mm Harken Carbo Ratchamatic Block. The Harken 57mm Carbo Ratchamatic® block is an automatic load-sensing ratchet pulley that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase.
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(Harken, Carbo ratchet block with swivel – 57mm Ratcha-matic / Auto-ratchet. 1) As an on /off ratchet – See “Harken, Carbo ratchet – 57mm on/off”. Break load – 907 Kg. Used on a multitude of boats & regarded by many as the best auto-ratchet block available.
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Harken 57mm Ratchamatic Automatic Ratchet Swivel Block 2625. The 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.
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T2 Ratchamatic blocks are clearly labeled with high-contrast directional markers for correct reeving and trimming direction. The weight of this high-strength block is only a few ounces. All T2 blocks are lashed or spliced through the load-bearing center of the block, decreasing the loads on the sideplates and acting as a safety backup for the system.
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