The Magnum® has full-range power from the finest shading to heavy hammering. Ideal for engravers with large hand sizes, as well as those looking for additional power and maximum versatility. The ergonomic knob shape lends itself to a more natural hand position. Ideal for any engraving or stone setting need. This handpiece is not Airtact ready. 2.75" long. Provided with a set of 6 standard QC tool holders and wrench. Made in USA.