31 Piece, Standard Screw Driving 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 1" Phillip Bits, (2) Phillip 1, (6) Phillip 2, (2) Phillip 3, 1" Square Bits, (2) Square, (6) Square 2, (2) Square 3,1" SI Bits, SL6, (3) SL8, SL10 5, Star Bits, T15, (2) T20, (2) T25 5, Magnetic Bit Tip Holder 1.