▲[Package includes] Our rotary tools accessories - jewelry tools polishing brushes have 6 different grit with 6 various colour and every grit has 10 pieces for different needs. Green-80 grit, Blue-120 grit, Red-220 grit, Gray Blue-400 grit, Purple-600 grit, Light Green-1000 grit.There are six mandrel(3Pcs 1/8"mandrel+3Pcs 3/32" mandrel) ▲[Feature] Rotary brush is a new type of abrasive that is superior to sandpaper, flap wheels, or other types of sanders, brushes, or abrasive wheels. Molded, abrasive-filled bristles strip, deburr, blend, finish, polish, clean, and remove coatings more effectively, with less pressure than wire brushes. ▲[Application] The detail polishing discs mainly suit for deburring, cleaning, finishing, machining and polishing detailed parts, tiny areas and irregular places, like Fruit pit carving,woodcarving