5 Series Cheek Block with Stainless Steel 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 m), L 3-5/8" (92 mm), W 2-7/32" (57 mm), H 7/8" (22 mm), Fasteners (4) #10 RH (5 mm), C/C 3" (76 mm), SWL 1750 lbs. (795 kg), Weight Stain. 7.5 oz. (237 g), Max Line 7/16" (11mm)