Efficient belt retention: Spring slots on both sides hold the sanding belt securely, preventing detachment and improving belt tracking, finishing quality, and overall work efficiency. Innovative curved design: The mini sander features a unique curved structure that provides controlled tension, keeps the belt straight during use, prevents tilting, and ensures consistent sanding results. Wide application: Suitable for metalworking as well as furniture repair and general DIY projects. A versatile tool for manual polishing and sanding. Easy to use: Accepts standard sanding belt paper size and can function as a clamp to hold the sanding paper in place for grinding or polishing tasks. An adjustable screw on the top lets you control the length of the sanding belt. Use scenarios: - Deburring and finishing metal parts in fabrication or repair work. - Refinishing wood furniture and cabinets for smoother, even results. - General DIY projects requiring precise manual polishing and surface smoothing.