The upgraded coatingensures good UV stability and enhances abrasion resistance

Holes provided suit shackle or rope loop for topping lift and foreguy attachment

Fastener size = M6 (1/4")

Open design provides for easy flushing of sand and salt

Harken 40mm Block — Swivel 2636 PNP The upgraded coatingensures good UVLow 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) 86 mm Length (in) 3 3 8 in Weight (g) 44 g Weight (oz) 1. 6 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