Safe to use

shop primed steel and thermally sprayed zinc substrates

Two zippered pockets

Hand made construction

Prevents chain and anchor from twisting when setting and retrieving anchor

Harken 40mm Carbo Block 2650 HARKEN BLOCKS Safe to useLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Sheave (mm) 40 mm Sheave (in) 1 9 16 in Length (mm) 64 mm Length (in) 2 1 2 in Weight (g) 40 g Weight (oz) 1. 4 oz Maximum line (mm) 10 mm Maximum line (in) 3 8 in Maximum working load (kg) 220 kg Maximum working load (lb) 485 lb Breaking load