Groz Standard 15 in 1 Screwdriver. This versatile handy screwdriver set has 14 tool bits included with in one tool. Retractable Bit Cartridge - Makes it easy to find, store and change bits. Specially designed Palm Saver Cap prevents blisters in the palm of your hand. Handle is made from Nylon and ABS resin with gripping bubbles. Patented Pull out Retracting Cartridge design. Easy guide collar provides greater control by maintaining full contact between the bit and the screw. Industrial grade S2 modified steel bits with Rockwell Hardness 58-62. Features ZAD 8 Zinc Alloy SOLID-CORE. Includes the following bits: Phillips(0,3,1,2), Square (R1,R2, R0,R3), Flat(4,6 mm), Torx (10,15,20,25) and End of driver acts as a å_" hex driver with no tool inserted.