The 901 AT Handpiece has the flexibility for various types of work, from the finest shading to heavy hammering.  Its predictable start-up and responsive hand actuation give the user intuitive control over every cut. The ergonomic handle shape lends itself to a natural hand position while engraving or setting stones.  Crafted from heat-treated stainless steel, it boasts high-quality construction and a simplified, ready-to-use design. This handpiece can also be operated with a foot pedal, offering flexibility in control methods.  Also compatible with the previous GraverMach® AT system only.