Key benefits 400 grit sandpaper provides efficient material removal with a smooth finish on metal, wood, plastic and more. aluminum oxide abrasive on a latex base paper delivers sharp cuts and improved polishing results. Hook and loop backing allows quick grit changes and a secure fit on 140 mm mouse sander machines. Prepunched six holes enable efficient dust extraction, helping keep the work area cleaner and reducing clogging. Pack includes 30 pieces sized to fit standard 140 mm mouse sanders. Specifications Size: 140 mm x 98 mm (5.5' x 3.9') Grit: 400 Quantity: 30 pieces Fits: 140 mm mouse sander machines Material: aluminum oxide abrasive Base: latex base paper Backing: hook and loop Dust holes: 6 Material and construction Durable aluminum oxide abrasive on a latex base paper for a sharp cut and consistent polishing. Hook and loop backing enables quick grit removal and replacement and a secure fit on the mouse sander during woodworking and metalworking. Prepunched holes support efficient dust extraction to reduce airborne debris. Dust extraction Prepunched with 6 holes to improve dust removal during sanding and help maintain clearer visibility of the work surface. Applications Ideal for polishing and finishing the surface of metal, nonmetal, wood, rubber, leather, plastic, stone and glass. Effective for removing rust and burrs and preparing surfaces for coating, painting or sealing. Widely used in automobiles, furniture, glass, painting, and industrial settings, as well as general woodworking and metalworking projects. Use scenarios Automotive prep: remove rust and burrs from metal brackets and panels before repainting to achieve a smoother, cleaner finish. Woodworking finish: smooth the edges and surfaces of wooden furniture parts prior to sealing or staining. Surface prep for glass or stone: lightly polish glass or stone surfaces to remove minor imperfections and enhance clarity before installation or display.