For 6" round jack feet. 7.75" total diameter. Hardy recycled rubber construction. Adds 1" of thickness to jack foot. Adds additional 88% of additional surface area. Temperature tested -40 degrees to 120 degrees.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov