Harken® 75mm Swivel Carbon Air Block Pully

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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) 75 mm
Sheave Ø (in) 2 15/16 in
Length (mm) 137 mm
Length (in) 5 3/8 in
Weight (g) 195 g
Weight (oz) 6.9 oz
Maximum line Ø (mm) 14 mm
Maximum line Ø (in) 9/16 in
Maximum working load (kg) 550 kg
Maximum working load (lb) 1213 lb
Breaking load (lb) 3638 lb
Breaking load (kg) 1650 kg
Shackle pin Ø (mm) 6 mm
Shackle pin Ø (in) 1/4 in
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