Pillar file
Flexible file
Warding file
Swiss pattern file
Provide increased bearing surface
Prevent the damage to the surface
Distribute even pressure on working surface
Prevent bolt or nut from loosening under vibration
Used for tapered fittings
Can be withdrawn easily
Provides unidirectional torque
Good in high speed application
Riffler file
Barrette file
Profile gauge
Snap gauge
Caliper gauge
Progressive gauge