Amazon.comFeaturing a variable-speed motor and a stabilizing, ball-bearing assembly, the Proxxon IB/E Professional Rotary Tool is ideal for a wide range of hobbies and professional projects. Lightweight, quiet, and capable of high torque even at low speeds, this well-balanced rotary tool includes 34 accessories that can be used for grinding, polishing, engraving, and more.Ideal for a Wide Range of Hobby ProjectsWith an electronic speed control and 34 industrial-quality bits and cutters--including six, triple-slit steel collets covering 1/32-inch to 1/8-inch (1.0 to 3.2 millimeters)--this versatile rotary tool is the ideal addition to any workshop. It can be used for a wide range of projects that require intricate detail work like carving, etching, or engraving.Variable-Speed Motor for Multiple UsesThe IB/E features a variable-speed motor that operates from 5,000 to 20,000 RPM and performs with high torque even at low speeds. The IB/E can be used for extended periods of time at low speeds for projects that require brushing and cutting, or at high speeds for heavy-duty jobs that require grinding and milling.Quiet, Vibration-Free OperationThe IB/E features a quiet 1/8-horsepower motor that is specially balanced for minimal vibration, allowing you to use it comfortably and with stability, even while working on intricate details at maximum speeds. The streamlined die-cast aluminum head supports the exact positioning of the ball-bearing assembly. With a slim form and weighing just 1.3 pounds, the tool is easy and comfortable to handle.What's in the BoxRotary tool, 34-piece accessory set, six triple-slit steel collets, and storage case.Product DescriptionThis high-revving motor has full-wave electronic speed control capable of producing variable speeds between 5,000 and 20,000rpm and is usable for extended periods at a time producing an exceptional power/ weight ratio. The streamlined die-cast aluminum head provides a stable housing for the ground steel spindle. It runs in a ball bearing assembly, minimizing play (max. runout 0.001). The tool comes with six high concentricity collets sized 1/32, 1/16, 5/64, 3/32, 7/64 and 1/8 (1.0, 1.5, 2.0, 2.4, 3.0 and 3.2mm) along with a collet nut as well as a selection of 34 industrial quality bits and cutters with shanks 3/32 (2.3mm). Technical data: Speed 5,000 - 20,000rpm. Volts 110 - 120V AC, 60Hz. Max. Power 1/8hp (100W). Length 9 (230mm). Weight 1.1 lb (500g).From the ManufacturerThe Proxxon 38481 IB/E Professional Hand Held Rotary Tool Kit can be used for extended periods when polishing, grinding, cleaning and engraving without becoming overheated. This high-revving motor has a range of electronic variable speed control of 5,000 to 20,000 rpm's with exceptional power/weight ratio. The streamlined die cast aluminum head provides a stable housing for the ground steel spindle. It runs an a ball bearing assembly, minimizing play.