Convenient Installation: The jack pads are easy to install, simply find the correct support point, align the magnetic shims with the weld seam and place under the jack to slowly lift the vehicle. The strong magnetic force makes it firmly fixed in place, not easy to shift or fall off. Specifications: This slotted jack pad is for vehicles with weld seams ≥ 3 inches. The opening width is 0.37 inches, slot depth is 0.64 inches and width is 2.99 inches. Please confirm the dimensions before purchase to a and avoid any inconvenience. High Quality Materials: This jack pad is made of high quality solid aluminum alloy with an anodized for durability, resistance, high strength and hardness. It has a built-in nylon pad to protect the welded seams from damage and comes with two powerful magnets to enhance its stability. Protective Function: This magnetic jack pad is designed for vehicle clamping weld seams, it can effectively prevent damage or deformation of weld seams, rocker panels and chassis during lifting, providing stable support for the vehicle. The magnetism can be quickly positioned on the metal support points to improve operational efficiency. Compatibility and Packaging: You receive 1 x orange magnetic pad, which is compatible with most -body style structures and floor jacks. If you have any questions about our products, please to contact us, and we respond within 24 hours., Weight: 0.31526103466 pounds, Manufacturer: Awwertse