Check the listing for details. 4X Solid Rubber Auto Lift Block Spacer Pad Heavy-Duty for Automobile Lifts. Color: Black, Condition: New. Listed at 36.99 USD. Features:PREMIUM INDUSTRIAL QUALITY MATERIAL:CarBole's pad is made of high quality enhanced specialty extremely solid rubber which means the jack rubber pad has wear resistance, corrosion resistance, high-temperature resistance function. Be free to use it!ANTI-SLIP AND SAFETY DESIGN: There is a pattern printed on the bottom of the rubber pad can anti-slip. The bearing capacity of each rubber pad is up to 1000kg. (No matter it is 5cm or 8cm thickness)DURABLE AND STURDY: Protect your frame rails when jacking up your car with these jack pads. Without proper support, the thin rails bend and cause future use of them to be problematic, and even unsafe if the jack cannot secure to the jack point.This is a REAL rubber, not plastic!GREAT STABILITY: Not damage the.