9 Piece, Hex Bit Tip Set, Superior Quality, Shock Resistant Steel For Maximum Durability, Heat Treated For Longer Life, Drives Screws Fast, Drive Guide Sleeve Reduces Wobble, Heavy Duty Magnet Keeps Bits In Place, Tough Case Container, Sliding Soft Grip Lock Keeps Case Closed, Bit Retention System Keeps Bits Secure, Contains: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 1/4".