Description: Material: This Jack Pad is made from aviation grade aluminum billet and anodized in blue for added protection. It's sturdy, reliable, and designed to last.Strong Hold: Each jack pad comes with two (2) pre installed neodymium rare earth that provide good holding strength when placing jack and lifting the vehicle.Versatile Use: This jack pad is designed to fit most vehicles with at least 2.992 inches of pinch welds, allowing you to safely lift your vehicle without damaging the pinch weld seams or rocker panels.Dimensions: The slot opening of each jack pad measures 0.378 inches, with a depth of 0.642 inches and a width of 2.992 inches long, ensuring a secure fit for your vehicle's welding clamp.Package Includes: Each package contains a Socket Pad Welding Frame Rail Adapter in blue color as shown in the picture for added protection to your welding clamp. Specification: Slot Opening: 0.378 inchesDepth: 0.642 inchesWidth: 2.992 inches7.59cm/2.99inch Package Includes: 1Jack Pad Note: Please allow slightly errors 1-2cm differences due to manual measurement.