Sizing information
Gem insert sizes:
- 19mmx17mm (Standard)
- 19mmx20mm (XL)
- 22mmx17mm (Standard)
- 22mmx20mm (XL)
19mm requires 25mm quartz with the minimum internal diameter of 20mm
22mm requires 30mm quartz with the minimum internal diameter of 23mm
- Semi-spheres fit in every insert we offer from 16mm to 22mm to the Puffco Peak + Puffco Peak Pro
