Industrial Silent Feet are the most advanced and effective power equipment pads available. By using cutting edge technology they absorb vibrations caused by generators, water pumps, air compressors and other power equipment. This reduces noise and structural damage caused by these vibrations. These pads also work great for smaller sized appliances like compact washing machines and dryers. They can also be installed under Vita-Mix and Blendtec blenders and food processors. Drastically reduces vibration noise caused by equipment Creates a quieter campsite, workshop or jobsite Limits unwanted equipment movement Easy to install (no tools or adhesives needed) Uses Sorbothane which is used by NASA, the U.S. Military and NASCAR 10 Year Limited Warranty Recommended Weight Load - 25 to 50 lbs per foot (200 lbs max per set of 4) Great for camping, rv-ing, construction and home use. Made in the USA