Cable Puller Sheave, Product Type Hook Sheave, Rope Diameter Not Applicable, Rope Length Not Applicable, Sheave Type Hook Sheave, Maximum Capacity 4,000 lb, Material Aluminum Alloy Roller with Bearings, Steel, Features Self-Lubricating Bearings, Strong Welded Frames, Includes (2) Sheave Bushings, (2) Sheave Pin Clips, Sheave, Sheave Pin, Yoke Frame, Sheave Diameter 12 in, Sheave Width 5 in