Easy to Use, Perfect for Beginners Enjoy a Relaxing, Fun Experience Make Ordinary Items Unique Engrave on Wood, Glass, Metal, Stone & More Details & Specs: Motor: 3 speed settings (8,000–21,000 RPM) and 30 g/cm torque- Weight: 1.76oz / 50g- Length: 125mm length - Width: 17mm diameter- Battery: 3.7v Lithium Battery - 500 mha- Charger: USB C Fast Charger What’s included: The Customizer comes with everything you need to get started on your engraving projects! The Customizer™ Engraving Pen Carbide B