HIFROM 5 Inch Sanding Discs NO Hole Hook and Loop 40 60 80 100 120 180 240 320 400 800 Grit Sandpaper Aluminum Oxide Random Orbital Sander Pads (100 Pack) 40 800 Grit(100 Pack) sold2026 and boost your strength and quick drying and boost your strength and endurance jewelries in an attractive manner Specifications Abrasive: aluminium oxide Back technique: NO Hole Color: Reddish Diameter: 5 inch Package include: 10pcs x 40 Grit Sanding Discs 10pcs x 60 Grit Sanding Discs 10pcs x 80 Grit Sanding Discs 10pcs x 100 Grit Sanding Discs 10pcs x 120 Grit Sanding Discs 10pcs x 180 Grit Sanding Discs 10pcs x 240 Grit Sanding Discs 10pcs x 320 Grit Sanding Discs 10pcs x 400 Grit Sanding Discs 10pcs x 800 Grit Sanding Discs glass and other materials grinding