Harken 57mm Quad Block — Swivel

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.

SPECIFICATIONS 

Sheave Ø (mm) 57 mm

Length (mm) 121 mm

Weight (g) 340 g

Shackle pin Ø (mm) 6 mm

Maximum line Ø (mm) 10 mm

Maximum working load (kg) 1080 kg

Breaking load (kg) 2270 kg