Interchangeable shaft holds 4 universal tips and converts to 2 nut driver sizes. Extended shafts and blades provide 39% 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" and 1/4" slotted, #1 and #2 Phillips, 1/4" and 5/16" nut drivers.