5 Series Utility block with Delrin(tm) sheave. Anodized aluminum cheeks feature a Delrin(tm) sheave ensuring smooth operation and high safe working load. Easily removable Stainless steel ferrule allows a variety of attachments. Sheave Dia. 2" (51 mm), Max Line 7/16" (11 mm), Pin dia. 1/4" (6 mm), Length 3-3/32" (79 mm), Width 2-1/8" (54 mm), Thickness 13/16" (21 mm), SWL 1750 lbs (795 kg), Weight 3.5 oz. (99 g)