Good Compatibility Universal for most cars. The base diameter is 48mm, the top diameter is 50mm, the height is 37inch. Not easily deformed Prevents your chassis rails from bending when using a jack to lift your car. Effectively prevents damage to your car's sill and jacking point. Rubber Material The jack adapter is made of rubber material, very soft and durable, with good load-bearing capacity. Professional and reliable manufacturing. Special Design Durable enough to bear, it is soft to protect when the contact surface collapses. Perfect to replace a worn or broken jack pad. Product Description1 x Universal Slotted Rubber Jack Pad Frame Protector Adapter Clamp Weld Protector Description: Material: Rubber. Color: Black. Size: 3.8 x 5cm. Compatibility: Universal. Features: Maximum load: 2-3 tons. Durable rubber construction, medium size provides more cushioning and crush resistance. Protects your car from scratches and damage caused by heavy lifting pressure! Protects your car's clamp welds and frame rails when lifting with these jack pads. Compatible with various US and European vehicles. Exact dimensions are clearly marked in the pictures, please check yours and make sure it fits your car body! Package Included: 1 x Slotted Rubber Pad. Note: There might be 2-3% difference according to manual measurement. Please check the measurement chart carefully before purchasing. Please note that slight color difference should be acceptable due to the light and.