Don't let its small size fool you- the Big Boy Driver packs a serious punch. With an included adapter that transitions from quarter-inch to four-millimeter bits, it's easy to switch from bigger takedown jobs to precision work on delicate gadgets or the tiny screws on your favorite EDC. The smooth ball-bearing spinner makes quick work of any task, and a magnetized driver tip secures bits no matter their size. Whether hanging shelves or fine tuning the action on your folder, the Big Boy Driver offers the perfect balance of tenderness and torque. FeaturesSmooth Operation: Ball bearing spinner in the driver enables quick take down or assembly of partsEasy and Secure: Magnet in driver tip secures driver bitPrecision Utility: 4mm micro bit adapter included for precision workCompact Utility: Driver easily fits in your hand allowing more control for precision workMaximum Control: Textured aluminum driver for grip