Mixed grit: Green (80 grit), Blue (120 grit), Red (220 grit), Gray blue (400 grit), (600 grit), Light green (1000 grit), Gray (2500 grit). Material: The radial bristle disc is made of high-quality bristles. These detail abrasive brushes have good elasticity and toughness. The bristle materials are very long-lasting and very effective. Radial bristle brushes disks can be stacked for use. These are ideal for jewelry making, metal working, wood carving, crafting and DIY making project. Our radial bristle disc kit suit for deburring, cleaning, machining, finishing and polishing detailed parts, tiny areas and irregular places. More effectively and no scrach. 42pcs 1 inch radial bristle disc 6Pcs Green (80 grit) 6Pcs Blue (120 grit) 6Pcs Red (220 grit) 6Pcs Gray blue (400 grit) 6Pcs (600 grit) 6Pcs Light green (1000 grit) 6Pcs Gray (2500 grit) 6Pcs 1/8 inch shank Color: Mixed Color Material: Resin Package Contents: 42pcs 1 inch radial bristle disc 6Pcs 1/8 inch shank 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.