Saeyang N7This is our high performance drill often used in a more advanced drill setting (like jewellers etc) but now available to the podiatrist nail technician as a heavy duty option for very intensive use. The high torque on this drill demonstrates that. The hand piece is robust and as with all Saeyang hand pieces very reliable. Mains Operated 0 40,000 RPM 4. 5 Ncm Torque Dimensions: 140mm (w) x 155mm (d) x 90mm (h) Plastic and Stainless Steel Heavy Duty