5 Series Cheek Block with anodized Aluminum cheek. Delrin(tm) sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Sheave Dia. 2" (51 mm), Max Line 7/16" (11 mm), Length 3-5/8" (92 mm), Width 2-7/32" (57 mm), Height 7/8" (22 mm), Fasteners (4) #10 RH (5 mm), C/C 3" (76 mm), SWL 1750 lbs. (795 kg), Weight 5.9 oz. (167g), Max Line 7/16" (11mm)