Our sanding machine has a reciprocating mechanism, which makes the sanding process more uniform and stable. This movement ensures that the sanding pen can continue to provide stable sanding when processing details, resulting in a smoother and more uniform sanding effect. The rechargeable sanding pen has three-speed adjustment, 2800/3100/3600 times per minute, which can be adjusted according to your needs. The charging time is about 20 minutes, and the indicator light feedbacks the power in real time. The battery life is about 100 minutes when fully and no-load. Our electric sander is compact and , easy to carry and operate. It can be easily put into a toolbox or backpack for sanding , in the studio or outdoors anytime, anywhere. You can easily control it to perform precise sanding and grinding on edges, corners and irregular surfaces. Compared with large , detail sanding pens are more suitable for processing details. It can easily handle edges, corners and irregular surfaces for precise sanding and grinding. This feature makes sanding pens widely used in fields such as woodworking, model making and art restoration. Suitable for small grinding, polishing, DIY crafts, and the drill bit can be quickly replaced. Whether it is for the detail processing of wood, plastic or metal materials, the sanding pen can be used for meticulous operation to achieve precise grinding and sanding effects.