Durable Design: Heavy duty construction rubber material, MAXIMUM Load Bearing: 2 Ton; Made of Durable rubber construction and cross slotted design, provides more cushion and crush resistance. Widely Used: Fits most Jacks and vehicles, please verify dimensions and ensure fitment to your vehicle. Specific Dimension: Diameter: 125mm/4.92inch. Thickness: 26mm/1.02inch. This product is used to protect the car undercarriage metal jack point railing that is on most vehicles. Easy to USE: Prevent your frame rails from bending when using a Jack to lift your car. Soft rubber surface, do not scratch painted or coated chassis parts. Package Includes: 1 x Round jack pad; Small Tips: because it is newly factory production and heavy duty rubber material, so it will have a little bit rubber smell, please put it in the ventilation room for some while before in use.