Voltage: 4.2V Speed: 5000-18000r/min
Collet diameter: 2.35mm (suitable for all 2.35MM grinding heads, reduction drills, etc.)
UPGRADE CORDLESS ELECTRIC GRINDING PEN: The grinding pen comes with a rechargeable lithium battery, so you can use it anywhere.
3 speeds: 5000-18000 rpm makes the rotary tool more prominent. The choice of three speeds can be precisely applied to different situations and make your projects easier and more professional. Dual use: charging and plugging dual use, can be connected to the power supply while charging, more efficient.

Package includes:
1 * Engraving pen
1 * USB power cable
2 * Drills
3 * Saw blades
br/>30 * Bits
1 * Tungsten steel drill
1 * Connecting rod
NOTE
1. It must be fully charged before use.
2. Suitable for large carving, punching, cutting, grinding.
3. Noise and temperature during machine operation are normal phenomena.
Color: as shown
Material: Metal

Package contents:
1 set x engraving machine

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.