The Ram Power 35 complete set features a 35,000 rpm handpiece and comes with the Ram Power 35 box which has torque feedback, selection for hand/foot control, selection for forward/reverse, and overload protection with reset switch. The handpiece has a twist type chuck release and comfortable plastic grip. The chuck size is 3/32” so it will hold a HP shank bur. The voltage requirement is 110v. Includes handpiece (with stand, tools and brushes), variable speed foot control, and control box. Ram has a 6 month warranty on this handpiece. Made in Korea.