Fits on the lifting plate of a car lift. Good resistance to pressure. cutting. moisture. road salts. chemicals and oils. Made of high quality rubber compound. Outer diameter 120 mm. inner diameter 100 mm. outer height 30 mm. inner height 8.5 mm. two mounting holes 8 mm. distance between mounting holes 66 mm. Fits e.g. Twin Busch and other Chinese car lifts.