10-in-1 Telescopic Ratchet Screwdriver Set

1.Made of chrome-vanadium steel, the screwdriver bit is sturdy and durable for long term use. 2.Includes 10 different sizes of screwdriver bits: T 1520(Torx), SL 356(Slotted), and Y 12(Tri-wing), 456(Cross). 3.Smooth ratcheting mechanism with three settings that works efficiently in either direction. 4.The bit cartridge, a hidden storage case inside the handle of screwdriver, makes it easy to find, change and store bits.