Harken 57mm Ratchet Block, Swivel
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Harken 57mm Ratchet Block, Swivel is available to special order.
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Harken 57mm Ratchet Block, Swivel
Description
Description
Engineered for responsive handling and reliable performance, the Harken 57mm Ratchet Block, Swivel is ideal for sailors who need secure grip and smooth easing in varying conditions. With a lightweight Carbo design, it allows crew members to comfortably hand-hold loaded lines with improved control. The block’s 10:1 holding power ensures confident line management, especially in medium to light air. Thanks to the easy-access on/off ratchet switch, which can be activated from either side, this block offers flexible operation for both port and starboard setups. Whether racing or cruising, the smooth swivel and rugged construction deliver durability and peak efficiency.
Key Features:
Size: 57mm sheave diameter
Style: Swivel ratchet block for versatile rigging
Holding Power: 10:1 ratio for excellent grip
Control: Allows hand-holding of loaded lines
Grip Strength: Designed for medium to light air
On/Off Switch: Operates from both sides for easy adjustment
Construction: Lightweight Carbo composite for strength without bulk
Rotation: Full swivel for optimal alignment and movement
Use: Ideal for sheets and control lines on dinghies, keelboats, and sportboats
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