1/2" drive 6-point wheel impact sockets in 17mm, 19mm, and 21mm, each with a color coded plastic sleeve that protects alloy rims, plus a 26-piece 1/2" drive metric impact socket set with wheel sockets in 1/3rd drawer EVA foam. The individual sockets have a black oxide industrial finish, positive grip broaching, and pin type retainer holes. The 26-piece set is forged from chrome vanadium steel with a black phosphate finish.