Multi-bit screwdriver with interchangeable shaft holds 4 universal tips and converts to 2 nut driver sizes. Extended shafts and blades provide 39-percent longer reach. Extra-long shaft provides full reach of 4 standard-blade screwdriver. Small diameter shaft for comfortable grip and quick, easy turning. Contains: 3/16-Inch (5 mm) and 1/4-Inch (6 mm) slotted, #1 and #2 Phillips, 1/4-Inch (6 mm) and 5/16-Inch (8 mm) nut drivers.