Mini Rotary Tool,Foot Pedal Control Grinder Carver Electric Multi-Function Metalworking Tools Repair Kit,18000 RPM 220V 230W for Crystal, Gemstones, Jade, Wood, Metal, Bone, Teeth,
£46.07It carries out infinite speed (0~18000rpm ) by foot switch, which does not affect the hand carving work to give you more a comfortable user experience