There are 3 types of blades of nippers:
-12 (equivalent to 4 mm) is short blade
- 14 (equivalent to 5.5mm) is medium blade,
- 16 (6.5mm) is long blade.
Inside, blades 14 and 16 help users cut hand or feet cuticle on the outer easily. For blade 12, it helps users cut small corners or narrow corners of hand or feet cuticle.