The 4-Way Flexi-File features four grades of Micro Abrasive which allows the user to work up to an extremely smooth finish.
There are two grades of abrasive per side of the 4-Way file.
The 4-Way Flexi-File should be used in this order:
- Coarse: Black: 180MX
- Rough: Pink: 2400
- Smooth: White: 4000
- Final Finish: Grey: 12000
The 2-Way Flexi-File comes with two grades of micro abrasive which run from coarse to smooth. It is used to de-burr, smooth and polish metal
The 3-Way Flexi-File features three grades of Micro Abrasive which allows the user to build up to the final finish of a piece