Material: Hydraulic Jack Accessories is forged from steel, with thickened steel plate. It is environmentally friendly and sturdy.Rubber Feet: Horizontal Jack Tray is not easily damaged. It prevents chassis rails from being pinched, bent or broken. It helps you lift off the center of the mat and prevents slipping.Vehicle Protection: The Hydraulic Jack Tray acts as a between the bottle jack and the vehicle to prevent damage to the lifting points on the vehicle.Increase Traction: The design of Support Top significantly increases traction so that your car will not slip off .Necessary for the workshop: horizontal jacks parts is a must have equipment for the mechanical workshop, suitable for amateurs and garages. Size Chart: Diameter:12cm/4.72inch,Column thickness: 2.9cm/1.14inch Package Includes: 1 horizontal jack tray1 foot pad Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!