[60Pcs Sanding Discs Set]: Comes with 2-inch discs designed for quick change sanding. [1/4 Inch Holders]: Compatible with die grinders for effective surface preparation and general grinding tasks. [Grits]: Includes both coarse and fine grits to handle a variety of projects. [Standard Aluminum Oxide Grain]: Offers aggressive material removal performance. [Semi-Open Coat Construction]: Resists clogging and loading, ideal for a wide range of sanding, deburring, and grinding applications. Quick change disc features a unique safety screw, strong wear resistance, and efficient grinding performance. Color: As shown Material: Aluminum Oxide Size: 2 inches (5.1 cm) Package Contents: 25 x Aluminum Oxide discs, 15 x Nylon sanding discs, 15 x Zirconium Oxide discs, 2 x Black Strip discs, 2 x Compressed discs, 1 x 1/4 inch holder. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight variations in color compared to the actual item. Measurement allowance is +/- 1-3 cm.