[165-Piece Sandpaper Set] This set includes 20x60, 20x80, 20x120, 20x150, 20x240, 20x320, 20x400, 20x600, and 5x40 grit sandpaper. [ and ] The 5-inch sandpaper discs are made with hard, high-quality abrasive that is and to clogging. The alumina abrasive provides a fast cutting speed, resulting in a smooth and even finish on your workpieces. [Efficient Dust Removal with 8 Holes] Our 8-hole sandpaper discs effectively remove dust during sanding, keeping your workspace or home clean and preventing dust inhalation. [Wide Application] Our sandpaper discs are compatible with most 5-inch random-track , such as pneumatic and electric . They help you easily sand and polish a variety of surfaces. [Wide Range of Applications] Disc sandpaper is suitable for grinding, polishing, and rust removal of materials such as metals, non-metals, wood, rubber, leather, plastics, stone, and glass. (40-100 grit is suitable for roughing, 120-320 grit is suitable for regular polishing, and 400-2000 grit is suitable for fine polishing.) Color: As Shown Material: Alumina Abrasives Package Contents: 1 * kit 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.