Features: 1.Used to protect the undercarriage metal jack point railing that is on most vehicles. 2.Made of high quality rubber material, durable and resistant to damage, prevent the chassis rails from getting pinched, bent or broken. 3.Slotted disk design with raised stripe on the surface, can ensure a stable support without slipping. 4.Acting as supporting disk for jack with 125mm/4.92in diameter, universal and practical. 5.Jack lifting point cushion, soft enough to protect from crashing the contact area. Specification: Item Type: Car Jack Pad_x000D_ Material: Rubber_x000D_ Diameter: Approx. 12.5cm/4.92in_x000D_ Thickness: Approx. 2.6cm/1.02in_x000D_ Fitment: Universal for jack with 125mm/4.92in Dia Note: Please allow light error due to manual measurement. Thanks for your understanding.