This is a professional electric nail drill machine metallic finish, designed for nail lovers and beginners. The kit includes a main unit and a twist-lock handpiece made of aluminum alloy, with a clear LCD display and a crystal speed-control knob. The powerful motor reaches up to 40,000 RPM, supports forward/reverse two-way rotation, low vibration and heat dissipation for comfortable use. Noise level is under 40 dB for quiet manicures. The unit features a handpiece storage hole, USB output, power input and grinder connector. The complete kit contains: drill machine host ×1, nail drill pen ×1, two sets of drill bits (about 11–12 pcs, including a ceramic bit), sanding bands ×6, connecting wire ×1, user manual ×1 and US adapter ×1. Drill bits include needle head, oval bit, barrel bit, cone, mandrel + sanding band, coarse disc and more—suitable for edging, removing polish, grinding, exfoliating and polishing. Operation is user-friendly: rotate to unlock, insert and lock the bit, connect power, turn on and adjust speed, switch rotation direction or pause/resume as needed.