The Story
This grommet converts a bong that fits 15mm BONZA stem to instead fit a STANDARD 10mm stem
Product Specifications:
- Fits a 21mm hole to support a standard 10mm diameter stem
- Material: Silicon

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
This grommet converts a bong that fits 15mm BONZA stem to instead fit a STANDARD 10mm stem
Product Specifications:
- Fits a 21mm hole to support a standard 10mm diameter stem
- Material: Silicon

















