Single block with becket and stainless steel sheaves. Delrin(tm) sheave ensures smooth operation and high safe working load. Removable becket enables pre-spliced lines to be easily attached. Sheave Dia. 2" (51mm), Thickness 15/16" (24mm), Width 2 1/8" (54mm), Length 5 17/32" (112mm), SWL 1750 lbs. (795kg), Weight 8.3oz. (235g), Max Line 7/16" (11mm)