31 Piece, Standard Security Driving Bit Set, 1” Bit Tips, Extra Small Tough Case For Portable & Organized Storage With Belt Clip, S2 Modified Bits For Increased Durability, Magnet Bit Tip Holders Holds 1″ Bit Tips, Includes Security Star Bits, T8, T10, T15, T20, T25, T27, T30, T35, T40, Security Hex Bits, 5/16″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, Security Hex Metric, 2 mm, 2.5 mm, 3 mm, 4 mm, Spanner Bits, 4, 6, 8, 10, Tri-Wing, 1, 2, 3, 4, Clutch Type G, 6, 8, 10, Magnetic Bit Tip Holder 1.