HARKEN MIDRANGE ALLOY BLOCK

Midrange blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Alloy sheaves reduce wear and tear. Sheave runs exclusively on a ball bearing system for fast trim and release under any load.

Sheave Ø (mm)
76 mm

Sheave Ø (in)
3 in

Length (mm)
156 mm

Length (in)
6 1/8 in

Weight (g)
425 g

Weight (oz)
15 oz

Shackle pin Ø (mm)
8 mm

Shackle pin Ø (in)
5/16 in

Maximum line Ø (mm)
14 mm

Maximum line Ø (in)
9/16 in

Maximum working load (kg)
816 kg

Maximum working load (lb)
1800 lb

Breaking load (kg)
2268 kg

Breaking load (lb)
5000 lb