Material: Aluminium oxide abrasive, durable and anti-static, ideal for sanding and polishing Size: 140 x 90mm, pre-punched with 5 holes for dust extraction, compatible with 140mm detail sanders Backing: Hook and loop (Velcro) attachment, easy to attach and remove, secure, sturdy, and reusable Variety pack: 10 different grits from coarse to fine, 5 sheets per grit: 40, 60, 80, 100, 120, 180, 240, 320, 400, 800 total of 50 sanding sheets Wide application: Suitable for use on metal, wood, plastic, rubber, leather, stone, glass, and other materials for grinding, sanding, and polishing tasks Designed for use with 5-hole hook-and-loop sanding pads. Ensure the pad is clean and in good condition before application. Not compatible with adhesive-backed sanding pads Color: Reddish brown Package includes: 5 x 40 Grit Sanding Sheets 5 x 60 Grit Sanding Sheets 5 x 80 Grit Sanding Sheets 5 x 100 Grit Sanding Sheets 5 x 120 Grit Sanding Sheets 5 x 180 Grit Sanding Sheets 5 x 240 Grit Sanding Sheets 5 x 320 Grit Sanding Sheets 5 x 400 Grit Sanding Sheets 5 x 800 Grit Sanding Sheets Note: The color may vary slightly due to monitor display settings. Measurement tolerance: 13 cm