Cast iron double wheel pulley 1.size:1/2",3/4",1",1-1/4",1-1/2",2",2-1/2",3" 2.zinc plated 3.pack: blister card, carton The characteristics of double wheel pulley:∴ Raw material: cast iron∴ Sizes: 1/2", 3/4:, 1", 1-1/4", 1-1/2", 2", 2-1/2", 3"∴ Finish: black painted, zinc plated, chrome plated∴ Package: carton, pallet Cast Double Wheel Pulley