Stand-Up Swivel with Aluminum CheeksDelrin™ sheave ensures smooth operation and high safe working load.Specifications:Sheave Dia. 2" (51 mm)Max Line 7/16" (11 mm)Diameter includes urethane base 2-7/8" (73 mm)Height 4-1/32" (103 mm)H2 2-3/32" (54 mm)Fastener Size (4), #10 RH (5 mm)C/C 1-12/31" (36 mm)SWL 1750 lbs. (790 kg)Weight Alum. 7.0 oz. (198 g)#97-48 BACKING PLATE SOLD SEPARATELY