Very economical, the cordless bead reamer is a great tool to smooth and enlarge bead holes. Light weight and easy to use. It comes with 3 tips- small pointed, 45 degree edger, and large pointed reamer. With a comfortable molded handle and at 10,000 rpm's, bead reaming is made easy. This unit is powered by 2 AA batteries (not included). Cordless Bead Reamer