Function: The Fiber Cloth backing provides flexibility and conformability to hug curved surfaces, ensuring even sanding results. Material: The combination of Aluminum Oxide and Fiber Cloth results in a sanding disc with abrasion resistance, ideal for tough jobs. Installation Instructions: Depending on the model, it may feature hook-and-loop or PSA (pressure-sensitive adhesive) attachment for quick and easy mounting and removal. Features: Grit Size and Range: Sanding discs come in a wide range of grit sizes, typically indicated by a number (e.g., 60, 120, 240, 400, 800, 1200, 2000, 3000, etc.).The grit size determines the coarseness or of the abrasive material embedded in the disc. Lower grit numbers indicate coarser, more aggressive sanding, while higher grit numbers finer, smoother sanding. Sanding paper is suitable for a wide range of materials including wood, metal, and composites, making it a versatile addition to any workshop or DIY project. Size: 125mm / 5 inch Colour:As shown Material:Alumina Please Notice: Please grits of sanding paper suitable for your project before purchasing. Package Contents: 50 * Sandpaper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.