Material: Rubber Size: As picture shown Package includes: 1pcs/2pcs x Jack Pad Feature: This universal Jack Pad Adapter fits most cars. This product is used to protect the chassis of the metal lift point railing that is found on most vehicles. Highly durable and resistant to damage, it prevents the chassis rails from being compressed, bent and broken. The polyurethane is soft enough not to damage the vehicle's metal, but stiff enough to maintain it. Great for DIY vehicle maintenance or taking it with you in your car as some tire shops do not use these pads and unfortunately they will pinch/scrape the paint on the welds. This can eventually lead to rust, save yourself the hassle with this simple product! Installation Instructions: Take appropriate precautions when working on your vehicle. Unlike the type of aluminum which will damage paint, it will not harm painted surfaces. This Pad works so you can use your hydraulic jack without damaging your car or its chassis. Perfect item and A must have for at oil changers for home and repair shops, keep one in the glove compartment when you replace your tires, most tire shops won't even use this. Causing damage to the chassis without you knowing or seeing the damage. This type of Jack washer is great for the pinch point. Side lifting with a standard hydraulic jack. Note: Please allow slight difference due to manual measurement.