Can be installed anywhere or on the deck

Length: 90mm / 3 17/32"

Polishing technology ensures a continuous renewal of the active layer of the paint which results in a hull that stays cleaner for longer and without a heavy build up of old paint

6mm thick plastic label

Harken 40mm Double Block — Swivel 2638 series 40 Can be installed anywhere orLow 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. Part No. 2638 Sheave (mm) 40 mm Sheave (in) 1 9 16 in Maximum line (mm) 10 mm Maximum line (in) 3 8 in Maximum working load (kg) 440 kg Maximum working load (lb) 970 lb