1. Tapping Screw
2. Lable
3. Housing
4. Ring Spring
5. Flat Washer
6. Compression Spring
7. Sleeve
8. Bumper
9. Gear box cover
10. Gear box
11. Steel Bushing
12. Flat washer
13. Steel Ball
14. Impact Block
15. Impact Block
16. Steel Ball
17. Flat Washer
18. Impact Spring
19. Washer
20. Steel Ball
21. Spur Gear
22. Spindle
23. Pin
Spare parts list BSM-300I
No. Part Name
24. Flat Washer
25. Bearing
26. Internal Gear
27. Middle Cover
28. O- Ring
29. Bearing 698
30. Fan
31. Armature
32. Bearing 607
33. Stator
34. Brush Holder Holder
35. Brush Holder
36. Carbon Brush
37. Brush Cap
38. Cord
39. Cord guard
40. Strain Relief
41. Tapping screw
42. Switch
43. F/R Level
44. LED light
45. Housing
17