Dremel 7700-02 MultiPro 7.2-Volt 20,000 RPM Two-Speed Rotary Tool with 50 Accessories Cordless rotary tool with 50 accessories; 7.2-volts; two speeds (5,000 and 10,000 rpm) Ball-bearing shaft for smooth, low-vibration operation; bit changes with no wrench Lightweight, durable plastic housing Includes rotary tool, 50 accessories, 3-hour charger, case Lightweight 9-ounces; 2-year warranty