specification: Item Type: Electric Nail Drill Pen Handle_x000D_Material: Aluminum Alloy_x000D_Speed: 35000rpm_x000D_Size: Approx. 14.5 x 2.5cm/5.7 x 1.0in (Manual measurement, there will be a little error)_x000D_Characteristics:_x000D__x000D_1. High-quality material, pen design, comfortable grip, easy to use, sturdy and durable_x000D_2. Two optional adjustable directions of forward and reverse_x000D_3. Slight vibration, extremely quiet and stable operation_x000D_4. Drill bit can be easily replaced without tools_x000D_5. High speed 35000 rpm Features: 1Made of aluminum alloy, good heat dissipation effect and long service life. 2With slight vibration, the handle can be locked, making the operation safer. 3Adjustable speed, 0?35000rpm, can also support forward and reverse rotation. 4The ergonomic handle design is comfortable to hold for a long time and not feel tired. 5The operation is simple and the drill bit can be easily replaced without tools. PackageList: 1 x Electric Nail Drill Pen Handle