Single 8 Series block with Stainless Steel cheeks and becket. Delrin(tm) sheave run on Nomex(tm)/Teflon(tm) bearings for low-friction and high safe working loads. Removable becket is easily removed to allow for pre-spliced line. Stainless Steel D shackle run on a swivel head that may be locked in plate to avoid line twist. Sheave Dia. 2 3/8" (60mm), Thickness 1 3/32" (28mm), Width 2 3/8" (60mm), Length 7" (178mm), SWL 2750 lbs (1250kg), Weight 13.4oz (380g), Max Line 9/16" (14mm)