General description Convenient sanding disc set with 300 pieces of 10 grit sanding disc pads, including 30 pieces for each grit: 80, 180, 240, 320, 400, 600, 800, 1000, 2000, and 3000. Includes 1 piece of 1/4 inch rod holder pad and 1 piece of soft foam pad for enhanced usability. Made from aluminum oxide abrasive, these discs are durable, anti-static, and effective for cleaning and corner polishing on various materials such as metal, wood, and jade. Technical specifications Material: Aluminum oxide Pad size: 50mm (2 inches) Color: Reddish brown Backing technique: Hook and loop Grit: 80, 180, 240, 320, 400, 600, 800, 1000, 2000, 3000 Shank diameter: 0.25 inch (6.35mm) Stem length: 1.8 inch (45.8mm) Compatibility and accessories Velcro backing suitable for most rotary tools, including grinders, pneumatic grinders, and electric drills. Includes 1 piece of soft foam shock absorber pad to reduce shaking during use. Usage Ensure the soft foam pad is securely connected to the sanding discs