The Husky 7-Piece Nut Driver Set includes 3/16 in., 1/4 in., 5/16 in., 11/32 in., 3/8 in., 7/16 in., and 1/2 in. nut drivers. A handle storage rack is included for easy storage, and handles are color coded for fast size identification. Tough acetate handles offer strength, durability and resistance to chemicals and solvents.