Material: High quality alumina sanding discs with heat treatment, polished for sharpness and wear resistance, ideal for sanding and polishing. Hook and loop backing for quick attachment and removal. Pre-punched with 6 holes for efficient dust extraction. Durable and long-lasting. Application: Suitable for use in furniture, automotive, marine, and other industrial applications. Effective for sanding fillers, primers, paint, metals, wood, thermosetting plastics, and plastic materials. Compatible with sanding pads using nylon hook fasteners. Designed for drywall, curved surfaces, and hard-to-reach areas with a 225 mm sanding disc. Size: 9 inches (225mm) Grain: 120 Color: Brown Material: Alumina Package Includes: 30 x Sanding Discs Note: The package includes only the items listed above. Other accessories are not included. Note: Slight color variations may occur due to lighting and monitor display differences. Measurement error allowance: +/- 1-3 cm.