General description The Electric Mini Engraver Pen is a versatile DIY engraving tool kit designed for use on various materials including metal, glass, ceramic, plastic, and wood. It features a stepless speed control ranging from 3,000 to 20,000 RPM, allowing for precision work from fine lines to deep grooves. The kit includes a total of 30 bits and 8 stencils, making it suitable for a wide range of engraving tasks. Technical specifications Stepless Speed: 3,000 - 20,000 RPM AC Input: 100-240V DC Output: 9V/1000mA Color: Red Material: Metal Measurement allowed error: +/- 1-3cm Compatibility and accessories Includes 30 bits: 10 pointed bits, 5 round bits, 4 jujube-shaped bits, 11 flat bits Includes 8 stencils: 4 graphic stencils and 4 letter/number stencils Package Contents: 1 stylus, 1 engraving tool, 1 US standard plug, 8 templates, 30 sanding heads Installation Plug Type: US Plug, compatible with Canada, India, Japan, Mexico, Thailand, the Philippines, and more Usage Use the Scriber