12CM BONZA GLASS SLIDER

Bonza 12cm glass stem 15mm diameter to fit bonza hole - SUITS BONGS WITH A BONZA GROMMET, perfect glass replacement for bongs which come with a bonza metal stem. If your bong currently takes a 14cm or 12cm bonza metal stem, this is the best fit for your bong. Includes 14mm detachable glass cone piece **This stem is not suitable for glass bongs which have a ground joint opening for the stem, as this does not have a ground joint - it's a straight stem