Sorbothane Isolate It! Bushings and washers are versatile spacers that can be used as feet, stops, and protectors in many applications that allow it to be a durable and resilient polymer. These non-skid isolators help isolate vibration by absorbing impact and noise. They will not harden and crack over time. They can be used on any audio or electronic equipment. They are effective in isolating objects for a certain weight. Look at the different sizes we offer under the product descriptions.