Features: -The sanding paper is designed to grind and polish the metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. -There are 5 different grain sizes from coarse to fine, to meet your different needs. -Made of high-quality material, the sanding sheets are particularly long-lasting and suitable for orbital sanders. -The high-performance sanding sheets feature 8 pre-punched holes, professional, safe, efficient, and low consumption, convenient to use. -Suitable for various complex surfaces of metal and non-metallic materials in the furniture, automobile, yacht, and other industries for rust removal, paint removal, deburring, and polishing of solder joints. .