Description Versatile: The rubber pads are ideal for various cylinders and body types (e.g., Unitec, Michelin, etc.). Product dimensions and weight: Diameter = 48 mm, Height = 38 mm, Slot size: 10 mm HIGH QUALITY: Made of very durable natural rubber, quick and easy to install, and extremely non-slip! The notch on the underside of the rubber pad ensures a stable hold on the jack. Improved version: 2 rubber jack pads with a new polyurethane construction. This makes the rubber pad stable enough to support your jacking points, yet flexible enough to prevent pinching of the contact surface. The robust rubber construction provides additional cushioning and compression resistance. Tip: The product's slot size fits most car models. For special slot size requirements, the rubber pad can be trimmed with a sharp knife to create an extension slot to fit your vehicle—a must-have for every professional and amateur mechanic. Many car and truck repair manuals recommend lifting the vehicle using