The Triplett autoloading screwdriver is perfect for the professional or do-it-yourselfer and comes preloaded with 6 commonly used precision bits: Standard: 3/32", 1/8", 5/32" and Phillips: 000, 00, 0. Bits are stored in the handle and can be changed in seconds. It also features a comfortable anti-roll handle, plastic shaft, and a rotating collar for fine adjustments. Lifetime warranty on mechanism; 1 year on bits.