These unique extra-thinwall impact sockets are for use on alloy wheels with decorative lug nuts. They feature protective (color coded) plastic sleeves and internal plastic inserts to prevent damage to expensive alloy wheels and decorative lug nuts. They should be used only onn passenger and light truck wheel nuts. USE ONLY WITH 1/2" DRIVE AIR TOOLS. DO NOT USE REDUCING ADAPTORS. Available individually under "Impact Sockets."