Sorbothane Vibration Isolation Reinforced Heavy Duty Square Pad 1-4" ThickEach of these Sorbothane vibration isolator pads can effectively isolate an object weighing between 200lbs to 1,200lbs depending on the Durometer (Shore OO). Load ratings are calculated assuming even weight distribution across the entire pad. These pads can be cut to size, the weight load rating of the smaller pieces will be roughly proportional to the surface area of the new pad in relation to the original surface area of the 2. 5"x2. 5" pad. They