This e-file supports two handpieces, but we sell it with only one (FS60N). Saeayng Multi 600 DUO Nail Drill with BM50S1 handpiece includes dual control system - Depending on the task, you can use both brushless (BLDC) and brushed (DC) handpieces by pressing the motor selection button. This E-file comes with BM50S1 handpiece that allows for speed up to 50,000 RPM. This Saeayng Multi 600 DUO Nail Drill Machine has the following Specifications: Highlights: Controller Model Multi 600 DUO Headpiece Model BM50S1 Headpiece Motor type BLDC, Brushless but compatible with DC brushed handpieces RPM 50,000 RPM Torque 7.8 N.cm Handpiece Dimension L160 x Ø27 Headpiece Weight 231 g Controller Weight 3.1 kg Features: Dual control system - can be used with both brushless & brushed handpiece (micromotor) Digital speed display window Less noise, less vibration Excellent durability Self-diagnosis function Auto-cruise function Knee-control type Variable speed control pedal (FS-60N) Cruise Control feature - ON l After setting the foot mode, if the foot (knee) pedal is maintained at a constant speed for 2 seconds, the Auto cruise mode is operated. Auto cruise mode is disengaged by pressing the pedal again or pressing the button again. KNEE CONTROL TYPE l this nail drill can be controlled with a knee by putting the tongue on the lower side of the work desk. The knee control type can respond sensitively to speed changes, so it is useful for detailed work. Helps to keep your desk clean! This is the original Saeyang Marathon professional nail drill that comes directly from Manufacturer. This drill is also suitable for woodworking and jewelry making due to it's high torque. Made in South Korea. 1 Year limited Warranty. Compatible with American and Canadian electrical sockets Only. Free Shipping in Canada.