GRS Airtact handpieces, when used in conjunction with the GraverMach AT control (see related products below), allow you to use your hands to control your handpiece. Simply press the Palm Pad (rubber end) at the backside of an Airtact Handpiece to activate it. The 901 AT Handpiece has a comfortable, compact shape with an adjustable side hose connection. Model 901 features breakthrough impact technology with a HUGE power range plus fine control. Made from heat treated stainless steel, it features high-quality construction and is ideal for wood carving, very heavy metal engraving, or hammering. This handpiece provides a powerful impact for a variety of work. Includes EasyAT Palm Cap for palm control. Measures 2-1/2” long and weighs 1.7 ozs. Provided with a set of 6 standard QC tool holders (additional holders available below), Allen wrench, Palm Pads (3), Palm Caps (4), Phillips head screwdriver, and a length of 1⁄4" flexible tubing. Made in USA.