General description 30 Pieces Sanding Sheets are designed for use with a sander, providing higher speed sanding, faster dust extraction, and heavy-duty removal. They are perfect for grinding and polishing various materials including metal, wood, rubber, leather, plastic, stone, and glass. Technical specifications Shape: Rectangular Color: Reddish Brown Size: 18.5 x 9.3 cm Grit: 40, 60, 80, 120, 180, 240 Backing: D paper backing Number of holes: 8 holes Abrasive: Aluminum oxide Backing technique: Hook and loop Specifications Tolerance: +/- 1 mm Usage Ideal for metal and non-metal grinding and polishing. Use in a dry place; avoid damp storage conditions. Other information Package includes: 5 sheets of 40 grit, 5 sheets of 60 grit, 5 sheets of 80 grit, 5 sheets of 120 grit, 5 sheets of 180 grit, and 5 sheets of 240 grit. Notes: Check and replace the sander base plate frequently when worn out.