Mixed grit: Green (80 grit), Blue (120 grit), Red (220 grit), Gray blue (400 grit), (600 grit), Light green (1000 grit), Gray (2500 grit). Radial bristle brushes disks can be stacked for use. These are ideal for jewelry making, metal working, wood carving, crafting and DIY making project. 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. 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., Weight: 0.07275254646 pounds, Manufacturer: Suoumwa