CMI Large Stainless Steel Double Sheave Pulley w/ Becket. Features and specifications: Stainless Steel Cheek Plates and Aluminum Sheaves. Moveable cheek plates for easy insertion anywhere in a line. Double sheaves with becket. Capacity: 5/8″” Diameter Rope Tensile Strength: 20,000 lbs. Sheave Diameter: 3.00″ Pulley Height: 7.25″ Pulley Width: 4.25″ Weight: 2.35 lbs. Manufacture: CMI