The Blue Spot Tools 30 PCE Ratchet Screwdriver and Socket Set is manufactured from carbon steel for increased durability and the bits are manufactured from chrome vanadium for increased strength. The set is ideal for small repairs around the home or workplace. The set features a reversible ratcheting screwdriver, 1/4 drive sockets (5-10mm) , assorted screwdriver bits (precision and 25mm) , a socket adaptor and a bit holder. The set comes packed in a useful storage case. 13 PCE 25mm bits: Phillips: PH1, 2 & 3. Pozi: PZ1. 2 & 3. Slotted: 4, 5 & 6. Torx: T10, T15, T20 & T25. 8 x 4mm bits: Phillips: PH000, PH00, PH0 & PH1. Slotted: 1, 1.5, 2, 2.5. 1 x socket adaptor. 6 x sockets: 5, 6, 7, 8, 9, 10. 1 x stubby ratchet screwdriver handle, 1 x precision ratchet screwdriver adaptor.