Drum Coils Variants:

1. 6x8 mm
2. 6x10 mm
3. 8x10 mm
4. 8x12 mm
5. 10x12 mm
6. 10x15 mm
7. 12x15 mm
8. 14x20 mm
9. 15x22 mm

Bit Coils Variants:

1. 3x10 mm
2. 3x13 mm
3. 4x10 mm
4. 4x12 mm
5. 4x14 mm
6. 5x10 mm
7. 5x15 mm
8. 5x20 mm
9. 6x15 mm
10. 6x20 mm
11. 6x25 mm
12. 8x25 mm
13. 8x30 mm
14. 10x30 mm
15. 10x35 mm