Review on TMB Motorsports 2 Pack Universal Medium Size Slotted Jack Pad Frame Rail Protector - Durable Polyurethane Material by Rudolph Mceachern

This is an incompressible rubber. But polyurethane has more "recoil" than light steel. The best thing about this jack is that it can be easily customized to fit your vehicle (or jack). Using just a Dremel tool I was able to "mill" the base to fit my smaller 2.5 ton jack. The height of the weld on my machine is closer to 2cm. Again, I was able to mill the depth of the slot slot so that the force was on the "shoulder" of the holddown weld and not the blade of the knife to avoid damage to the holddown weld avoid. Yes, this will void the warranty on the jack. But this is a consumable, still carry things.