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57mm Triple Block — Swivel, Cam Cleat

57mm Triple Block — Swivel, Cam Cleat

Part No. 2617

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) 680 kg

Maximum working load (lb) 1500 lb

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)121 mm
Length (in)4 3/4 in
Weight (g)431 g
Weight (oz)15.2 oz
Maximum line Ø (mm)10 mm
Maximum line Ø (in)3/8 in
Maximum working load (kg)680 kg
Maximum working load (lb)1500 lb
Breaking load (lb)3750 lb
Breaking load (kg)1700 kg
FootnoteMaximum working loads and breaking loads for blocks based on cam strengths.
Shackle pin Ø (mm)6 mm
Shackle pin Ø (in)1/4 in
Note

Maximum working loads and breaking loads for blocks based on cam strengths.