This screwdriver, socket and bit set features an extending bit holder, making it highly versatile for use in tight spaces and at awkward angles that might otherwise be difficult to reach. The bit holder also has a series of notches which makes it easy to lock at different lengths. The steel sockets are chrome plated for corrosion protection. While the screwdriver bits are made from chrome vanadium steel and have a shot blast finish. All are supplied arranged inside a handy carry case. 1 x Screwdriver handle, 1 x 1/4" Hex magnetic bit holder, 4 x 1/4" Square drive Sockets: 5, 6, 8 and 10mm, 19 x 25mm CRV screwdriver bits: , Slotted - 3, 4, 5 and 6mm, PH Type - No.0, No.1, No.2, No.3, PZ Type: No.2, Hex - 3, 4, 5 and 6mm, Draper TX-STAR - T10, T15, T20, T25, T27 and T30, 1 x 1/4" Hex to 1/4" Square Driver Adaptor