We are offering high-speed bench drill suny-hsd. 1. product usage: manual drilling of pcb;2. driving mode: dc motor directly drive drill chuck;3. motor type: high-speed dc brushless motor;4. adaptive drill: 0.4mm4.0mm;5. revolve speed: 0-12000 revolves/min adjustable;6. working voltage: ac200v-250v/50hz;7. working power: 180w;8. working area: unlimited board length, board width