Item Aluminum, Sheave Dia. 2" (51 mm), Max Line 7/16" (11 m), L 3-5/8" (92 mm), W 2-7/32" (57 mm), H 1-19/32" (40 mm), Fasteners (4) #10 RH (5 mm), C/C 3" (76 mm), SWL 1750 lbs. (795 kg), Weight Aluminum 7.9 oz (224 g) ** TOP Sheave Safe Working Load 350 lbs. (159kg)