Features and Benefits: Insert bits are made of high grade S2 tool steel providing long life; Magnetic drive guide with retracting sleeve holds long fasteners in place, the sleeve retracts as the screw is driven into the material; Compact puck style case; Magnetic case attaches to the lid or side of most metal tool boxes, job storage boxes, truck boxes, etc.; Set Contains: Insert Bits: Phillips: (1)P1, (7)P2, (1)P3; Square: (1)S1, (3)S2, (1)S3; Torx: (1)T15, (1)T20, (1)T25; Slotted: (1)SL6-8, (1)SL8-10; Magnetic Screw Guide and Case