KUPA's Original MANIPro Original combines power and affordability in an economically sized 3" x 5" control box It continues to be one of the strongest  fastest  and most durable electric files available to the nail industry and features a lightweight friction grip-chuck handpiece  a built-in handpiece cradle  a strain relief cord  an illuminated power indicator  forward/reverse modes  and variable speeds from 4 500 to 15 000 RPM