Grommet Size Chart
------>>>>>> Download a printable pdf file showing each grommet in its true-to-life size. - For drawstrings on tote bags: 10mm, 12mm, or 17mm generally recommended.
- For clothing: 7mm commonly for hoodies and waist strings, 10mm for overalls.
- For key fobs & snap tabs: 4mm or 5mm.
Measurements are approximate:
- Inner diameter: 4mm (~1/8")
- Outer diameter: 7mm
- Barrel height: 3.3mm
- Inner diameter: 5mm (~3/16")
- Outer diameter: 9mm
- Barrel height: 3.9mm
- Inner diameter: 7mm (just over 1/4")
- Outer diameter: 12mm
- Barrel height: 4mm
- Inner diameter: 10mm (just over 3/8")
- Outer diameter: 17mm
- Barrel height: 4mm
- Inner diameter: 12mm (just under 1/2")
- Outer diameter: 20.5mm
- Barrel height: 4.5mm
- Inner diameter: 17mm (~11/16")
- Outer diameter: 28mm
- Barrel height: 5mm
. eyelets grommet . 
