6 inch (150 mm) sanding discs with grit range 80–600. Pack options: 20 pieces or 35 pieces. - Mesh design provides a cooler grinding experience by increasing air flow and reducing heat buildup, lowers disc clogging, and extends life. - The mesh fabric is tough, resists deformation and breakage, and is impactproof for demanding use. - Aluminum oxide coating offers aggressive, long-lasting material removal, suitable for machine grinding, and minimizes sand shedding. - Mesh backing resists alkali, acid, and cement, making it durable in challenging environments. - Compatibility and performance: designed for standard 6-inch grinders or sanders that accept 150 mm discs; suitable for wood, metal, and composite surfaces. - Practical applications: 1) rough stock removal and paint/finish stripping on metal and wood; 2) surface prep and smoothing prior to finishing on furniture and cabinets; 3) automotive body prep, rust removal, and fiberglass/plastic work.