This groundbreaking precision screwdriver is the perfect tool for on-the-go technicians, hobbyists and anyone who works with computers, electronics, small parts and micro assemblies. The pen-size Model 500 is superbly functional in design and comes complete with six interchangeable driver tips. It features the exclusive 100+ RPM Super Micro-Torque drive motor, forward and reverse controls, and a 1/8" chuck that allows for effortless swapping between Slotted, Phillips and Torx bits. An ergonomic handle design provides multiple grip positions to accommodate a variety of working situations.