The Mayhew Tools 11-in-1 Screwdriver and Nut Driver, No. 51011, is an easy-to-change screwdriver and nut driver in one that holds eight universal tips and converts to three nut driver series. The tool, backed by a lifetime warranty, features a three-point grip made from high quality material with a superior method for bonding the grip to the core, the company says. The thicker grip material offers the user a cushioned, more comfortable grip. The tool includes No. 1 and No. 2 Phillips, 3/6" and 1/4" slotted, #1 and #2 Square Recess, T10 and T15 Torx, along with 1/4", 5/16", and 3/8" nut driver.