Systems: Features left and right knobs for precise sandpaper tensioning, ensuring even pressure distribution across the entire 220x60mm sanding surfaces Aluminum Body: Constructed with precisions milled aluminum alloy featuring anodized oxidation, this 1.1kg tool rust resistance, structural stability, and durability for intensive woodworking and crafting applications Oversized Sanding Platform: The 220×60mm work surfaces accommodates various grit sandpapers, with simple installation via end clamp screws ideal for beginners and professional alike to achieve efficient materials smoothing and finishing Nonslip Operations Base: Equipped with rubber foot pad and mounting holes for secure placement on workbenches or tables, ensuring stable positioning during detailed edges rounding, surfaces leveling, or precisions polishing tasks Manual Control: Enables exact pressure and angles for delicate operations including woodcraft refinement, model finishing, leather edges, and sharpening perfect for hand controlled detail work without power tool limitations, Manufacturer: Kaeltsyn