Features: Speed: The speed can be changed from 7000rpm to 14000rpm with one click. It can be flexibly set and adjusted according to the work content and material type. Various Accessories: With 10pcs accessories kit, it can be used to do all kinds of home jobs or crafting jobs, such as sanding, polishing, drilling and so on. Lightweight Portable: It is lightweight and portable. Compact design like a pen that can be well used by one hand. Easy to use anywhere and anytime. Wide Applications: It is suitable for many materials, such as most metal, wood, stone, glass, ceramic, plastic, etc. Ergonomic Design: Comfortable to hold, prevent hand slip and easy to grasp without pressure.