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Harken 57mm Block-Swivel, Becket
Sound Rigging Services

Harken 57mm Block-Swivel, Becket

Regular price $68.05

57 mm Carbo

These smooth-running powerful performers make trimming easy, no matter how hard the wind blows. Carbo Air blocks are made of tough reinforced composite in a size and style to fit any system: singles, doubles, triples, quads, and quints; ratchets and fiddles; soft and hard attach. Perfect for main, jib and spinnaker sheets on dinghies and sportboats; control lines on boats of all sizes.

Lightweight, strong and reliable fiber-reinforced composite construction.

Ball bearings, sheave, and sideplates are UV-stabilized.



Sheave Ø (mm) 57 mm

Sheave Ø (in) 2 1/4 in
Maximum line Ø (mm) 10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg) 359 kg
Maximum working load (lb) 792 lb

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