7 Series Utility block with Stainless Steel cheeks and Delrin(tm) sheave. Stainless Steel cheeks feature an aluminum sheave with our nomex(tm)/Teflon(tm) bearing ensuring smooth operation and high safe working load. Easily removable Stainless steel ferrule allows a variety of attachments.Sheave Dia. 2-3/8" (60 mm), Max Line 1/2" (13 mm), Pin dia. 1/4" (6 mm), Length 3-23/32" (94 mm), Width 2-1/2" (64 mm), Thickness 1" (25 mm), SWL 2250 (1020 kg), Weight 6.5 oz. (184 g)