PRICES MAY VARY. Stepless speed: from 3,000 to 20,000 RPM (Revolutions Per Minute), stepless speed is suitable for engraving, polishing wood, metal, glass and nail, pet manicure, etc.; Recommend: wood and metal use low speed, glass and ceramic use high speed Total 36 bits and 20 stencils: the package includes 10 pointed bits, 5 round bits, 4 jujube-shaped bits, 11 flat bits, 6 different style polishing dead with sanding ring, 20 pieces letter/number/pattern design stencil, a large number of…