Garage Door Repair Parts 4Pcs 3" Garage Door Pulley,Cable And Pulley For Overhead Sectional 3 Inch Galvanized Steel Pulley Cable Set Single wheel weighing 100kg/220lbs,for Torsion Spring Doors up to 12 Feet Tall & Extension Spring Door to 9 Feet Tall Garage Door Cable Pulley 3" Cast Iron. 3/8" bore - Fasteners sold separately. See this tutorial for instructions on replacing pulleys Design details: 3 pulley, by 2 pieces of 1., 2mm thick Galvanized Steel riveted composite, inside 9 beads, outside 6 rivets evenly fixed inner ring, thickness: 1., 2mm., clip: 2., 0mm Pulley Cable Garage Door at Jenny Mcnear blog 2)Please allow 0-2mm error due to manual measurement, please make sure you do not mind before you bid. Garage Door Pulleys, 3 With Fork And Bolts (2-Pack Garage Door Cable and Pulley Replacement Kit for Overhead Sectional Garage Doors