Specifications Length (mm): 188 mm Length (in): 7 7/16 in Weight (g): 850 g Weight (oz): 30 oz Maximum working load (kg): 2041 kg Maximum working load (lb): 4500 lb Breaking load (lb): 9000 lb Breaking load (kg): 4081 kg Height (in): 3 1/2 in Width (mm): 111 mm Width (in): 4 3/8 in Height (mm): 89 mm Minimum curved track radius (m): 5.49 m Minimum curved track radius (ft): 18 ft Mainsheet block pin Ø (mm): 8, 10 Mainsheet block pin Ø (in): 5/16, 3/8 in Control block pin Ø (mm): 6 mm Control block pin Ø (in): 1/4 in