Dremel Sanding Roller Set 531 Pieces Compatible with Dremel Rotary Tools Includes 504 Sanding Rollers 24 Roller Sleeves 2 Self Locking Chucks Wrench Lighting Accessory maintains hygiene with simple care maintains hygiene with simple care Nickel Plated Clamps with fabric protector 3 8 inch and 1 4 inch Sanding belt Material: Aluminum oxide Package includes 80 Grit: 24 * 1 2 inch Sanding belt 24 * 3 8 inch Sanding belt 24 * 1 4 inch Sanding belt Grit 120: 24 * 1 2 inch Sanding belt 24 * 3 8 inch Sanding belt 24 * 1 4 inch inch Abrasive belt 150 Grit: 24 * 1 2 inch Abrasive belt 24 * 3 8 inch Abrasive belt 24 * 1 4 inch Abrasive belt 240 Grit: 24 * 1 2 inch Abrasive belt 24 * 3 8 inch Abrasive belt 24 * 1 4 inch Abrasive belt 320 Grit: 24 * 1 2 inch Abrasive belt 24 * 3 8 inch Abrasive belt 24 * 1 4 Inch Sanding Belt 400 Grit: 24 * 1 2 Inch Sanding Belt 24 * 3 8 Inch Sanding Belt Sanding Belt 24 * 1 4 Inch 600 Grit: 24 * 1 2 Inch Sanding Belt 24 * 3 8 Inch Sanding Belt 24 * 1 4 Inch Sanding Belt 8 * 1 2 Inch Drum Sleeves 8 * 3 8 Inch Drum Sleeves 8 * 1 4 inch Drum sleeves 1 * Self tightening collet (2 Easy to install make sure the drum has been screwed on properly