Klein Tools 14-in-1 Adjustable Length Screwdriver functions both as multi-bit screwdriver and impact driver attachment. With this screwdriver, there is no need to run back to your tool bag. Industrial-strength bits are conveniently housed in the handle. Simply adjust the length of the blades to allow for easier access or remove to use with an impact driver. Powerful rare earth magnets secure bits and fasteners while the Cushion-Grip handle and spin cap provide outstanding comfort and control. Includes (1 of each) Phillips #0, #1, #2, #3; Slotted 3/16 In., 1/4 In.; Square #1, #2, Combo #2; TORX T10, T15, T20, T25.