Ahh yes the McM bible, if it's not in there it's likely not made

also found the web site for the Ace hardware ones by Ez loc. if any one else is interested

LINKY

Cool idea and they have several styles to choose from. My only concern is a 5/16-18 Thin Wall insert requires a 7/16 -14 tapped hole which is getting up there depending on how much material is surrounding the hole. great idea and one I'll have to keep in mind