Product function: This product is used to protect the metal support frame of most vehicle chassis. It will reduce the damage to your car's load-bearing frame and better protect your car. It is one of the essential accessories for auto repair. Durability: This product is very durable and resistant to damage, thanks to its rubber material. Used and stored in the right way, you can use it longer. How to use: This rubber mat can be conveniently placed between the jack and the underside of the car, providing excellent protection when lifting the car body. Non-slip designWaffle surface and groove for extra strong grip, ensuring slip-free operation and stable lifting. Product Size: 7.5*7.5*2.5cm / 2.95*2.95*0.98inch Product Features: Color: Black Material: rubber Size: 7.5 * 7.5 * 2.5 cm / 2.95 * 2.95 * 0.98 inch Products included: 1/2/ 4 * Jack pad Rubber jack block (square shape)