Corvette Accessories Unlimited Corvette Jacking Pucks - Set of four (4) jacking pucks. Milled out of solid Delrin material creating super hard Jacking Puck virtually eliminating chipping or cracking while not scratching undercarriage Fits all C5, C6, Plus Z06, ZR1, and new C7. Special piral cris-cross base reduces slippage. Special graphics to assist installation and removal. 1 1/8" Thick for use with jack stands without having to use additional wood blocks. Made in the USA