Black & Decker RTX-B Rotary tool: * Powerful, high-torque motor (twice the power and torque of the leading competitor) completes jobs faster, won"t bog down under load. * Exclusive Flip-Lock spindle-lock system for quick and easy accessory changes, eliminates need to hold down awkward button. * Rubber overmolded grips for superior comfort and control. * Universal collet system accepts all standard rotary tool accessories 3 speed (12,000/24,000/30,000 RPM) for maximum precision in all applications. * Separate 3 speed dial for "set and forget" convenience.