BendPak 5700227 Polyurethane Round Tuf-PadsBendPak 5700227 Polyurethane Round Tuf Pads These are the new Bend Pak Tuf Pads. They are fabricated out of polyurethane instead of rubber, along with a specially formulated hardening elastomer, providing a tough, durable pad that holds up much better than the standard rubber pads. Because it is resistant to wear and tear, it will last significantly longer than traditional pads, saving you money in the long run. It's treaded surface adds gripping