22mm 510 Tap Guide (ID 10mm)

This is a tap guide for a 22mm 510.   All of my enclosure designs have a 9.5mm center hole to allow for thread tapping abd the idea is to insert it in the 510 recess of the mod so that a hand drill can be used to tap the 510 center hole to allow for screwing down the 510 connector.  I actually use this and tap by hand most of the time sans drill.  It isn't really necessary if you are confident you can tap straight without a guide or if you are just going to open up the hole to 10mm with a drill bit.