276 pieces list  1. 12 emery grinding needles  2. 9 high-speed steel drill bits (1.6 2.3 3.2 3 each)  3. 2 connecting clamp rods  4. 1 connecting rod  5. 6 rubber grinding heads (2 for each of cone, column and bullet)  6. 4 rubber wheels (large 2 medium 1 small 1)  7. 10 iron red grinding wheel grinding heads  8. 7 brushes (1 wire brush, 1 nylon brush, 1 copper wire brush)  9. 1 bottle of grinding paste  10. 36 pieces of resin cutting discs  11. 80 pieces of sandpaper  12. 16 double-net cutting discs  13. 4 louver wheels (2 for medium and large)  14. 1 wool head  15. 8 wool wheels (2 large and 6 small)  16. 18 sanding sheets (6 for each of white, blue and pink)  17. 2 emery polishing pads  18. 1 sand block  19. 3 copper chucks  20. 1 wrench  21. 2 rubber grinding heads  22. 52 sandpaper circles (18 for each size, 16 for medium)