Columbia River Knife & Tool HEX BIT DRIVER TOOL ROLL, 3.73 Compact Driver w/ 13 bits, Brass Handle, Brown Leather Roll 9911 When you're far from your bench and your everyday carry is begging for some maintenance" the Hex Bit Driver Tool Roll is designed to be on hand for a quick fix. This compact but mighty tool roll is equipped to hold up to 13 bits and two drivers (it ships with one driver) so you'll never be caught with a dirty EDC.