Features: This small grinding pen delivers powerful grinding performances with an advanced motor for fast and precise cutting and grinding of metals and plastic, making it an essential adjustable speed grinder for efficient tasks. Featuring adjustable speed settings with multiple levels, it allows users to select the optimal rotation speed for accurate and controlled grinding operations, ensuring versatility in various applications. Designed for technicians, DIYer enthusiasts, and repair professional, this portable grinding tool caters to users seeking equipment to enhances productivity in maintenance work. Ideal for confined spaces like smartphone frame correction and IC grinding, its compact and lightweight design enables easy handling in tight repair scenarios for seamless operations. Built with alloy materials, this small grinder ensures stability and robustness, providing dependable performances in diverse grinding and cutting applications. Specifications: Size: 130×17mm Power supply: DC5V USB Power: 10W Speed: Three levels adjustable (10000/15000/20000RPM) Package Includes: 1Set Polishing Pen note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.