This product features our high quality, heavy duty 3.5" pulley with a steel wall bracket and a 3"/ 8 x 80 mm steel mounting bolt. The pulley spins on two sealed, dust-proof bearings and can handle cable/rops up to 3mm thick and provides up to 220 lbs. of lifting capacity. Perfect for clotheslines, Storage systems, Awning Systems. Heavy Duty 3.5 inch High Impact Plastic Pulley, Dustproof Bearing, Hot Dipped Galvanized Steel Wall Mount Bracket w/Mounting Bolt. Slim Fit profile featuring riveted steel center axle (Bracket width:0.89 inch/At center:0.94 inch) 80 mm Hex Bolt for mounting included