Excessive pressure when installing the grommet will result in minor rolling along the inside edge of the grommet (see 2nd image). This cosmetic flaw does not affect function.
5.1mm grommets require different dies from the original 5mm version. If you previously ordered 5mm dies, click here for assistance. TOOLS REQUIRED:
- Grommet dies in the same size as the grommets
- And one of the following presses: