The MANI-PRO® KP-5000 is a Premium Quality Professional Electric Nail Filing System brought to you from Kupa Incorporated. The KP-5000 comes fully equipped with features that include: Your choice of either KP-55 or KP-60 Handpiece with a high torque motor that ranges from 0-30,000 RPM's, the latest Acetone Resistant Control Box, a precision sliding speed control, forward/ reverse button and the option to add a MANIPro KP-5000 foot operated speed control. The KP-5000 easily coverts from 110V to 220 Volt with the flip of a switch. Full 1 Year parts and labor warranty with your Electric File purchase!