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40mm Double Block — Swivel, Becket

Part No. 2639

Sheave Ø (mm) 40 mm

Sheave Ø (in) 1 9/16 in

Maximum line Ø (mm) 10 mm

Maximum line Ø (in) 3/8 in

Maximum working load (kg) 440 kg

Maximum working load (lb) 970 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)40 mm
Sheave Ø (in)1 9/16 in
Length (mm)110 mm
Length (in)4 5/16 in
Weight (g)90 g
Weight (oz)3.4 oz
Shackle pin Ø (mm)5 mm
Shackle pin Ø (in)3/16 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg)440 kg
Maximum working load (lb)970 lb
Breaking load (kg)1080 kg
Breaking load (lb)2380 lb

F R E E   G R O U N D  S H I P P I N G

for orders over $100!

Valid on orders shipping within the United States

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