Keck clip sizing

truins

Active Member
Ok so i just recently bought a 9mm glass on glass bong 9mm thick all the way through even the joint. This said the joint is huge the outer diameter is 32mm but its a regular 18mm joint that fits a 14mm down stem.

I believe id need a 18/32 keck clip but I've never seen one and the numbers are weird what would i need?
 
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