Keychain works for hex nuts 5/16" to 9/16". You may notice that the nut is too big when you try to use the wrench. This is by design. The nut will snap into place which ensures a strong grip. Don't worry this will not break the keychain.
Maker Select V2
I used ABS
I am Daniel O'Connell, a Maker from Philadelphia. My philosophy is that every model must be as useful as it is beautiful.
I will be adding many more products in the coming weeks. As always, all of my designs are free to download and print. The products I sell can be downloaded from my designs page.