Lutz 26010 6-in-One Screwdriver - Blue - With ergonomic handles and high-strength, heat treated bits, the Lutz Mult-Bit Screwdriver Collection is a perfect addition to any toolbox. The Lutz 6-in-One Screwdriver is a long-lasting, quality product. 6-in-One Driver offers: 1/4" Slotted Bit, 3/16" Slotted Bit, #1 Phillips, #2 Phillips, 5/16" Nut Driver and 1/4" Nut Driver. The bits reverse in the tube and the tube reverses in the handle. The chrome / nickel plated tube is a hex tube to create a 5/16" nut driver on one end and a 1/4" nut driver on the other. The handle has a wide diameter for better, more comfortable grip. All Lutz Bits are long-lasting, made of chrome vanadium 6150 steel alloy and are heat treated to a Rockwell of 58 to 60. In addition, they are sprayed with an oil mist to avoid rust.