Dremel 1100-01 Stylus 7.2-Volt Lithium-Ion Cordless Rotary Tool with Docking Station Cordless rotary tool Variable speed (5,000-25,000 rpm) for many applications; use with all Dremel accessories Durable plastic housing and soft rubber grip Includes rotary tool, 7.2-volt lithium battery, docking station charger Fits easily in palm--4 inches tall, 1-3/4-inch wide; 5 inches long; 2.9 pounds; 2-year warranty