Reproduction nylon lug nut protectors. These are sold in pairs, and come with 3/4" and 13/16" sizes. Simply slide one of these sleeves into your socket and keep the chrome on your lug nuts in perfect condition!
Can be used on a variety of other vehicles with the same lug nut size.
For the 3/4" lugs, use the sleeve with a 7/8" socket.
For the 13/16" lugs, use the sleeve with a 15/16" socket.