Description: 【Material】This Lifting Pads are made of rubber materal, which is sturdy, high hardness, and reliablefor your vehicle maintenance needs. non-deformable with long service life 【Shock Absorption and Noise Reduction】Jack Stand Pads are good , strong load capacity,play a good cushioning and shock absorption. Tough and strong enough to support your car, while soft enough to resist the pressure of jack stands 【Easy to Use】Place Jack Pad Adapters in the between jack lift arm and the vehicle skirt, and just its jack and the car frame rail. They are very strong bearing capacity, do not worry about the strong pressure will be deformed and broken. Removal is also simple and quick, soft material, will not hurt the car or leave marks 【Jack Support Cushioning Pressure Pads】Soft enough pads surface are to stop frame rails and pinch welds from bending,and protect painted or coated chassis parts when using floor jack to lift the car 【Convenient and Efficient】Hydraulic Horizontal Jack Trays are suitable for maintaining your jacks performance, supporting top, repair car towing Specification: Material: Rubber Size Chart: 12cm/4.72inch Package Includes: 4 Pieces Jack Stand Pads Note: Please allow slightly errors due to manual measurement and different monitors.