This is a mount which we designed to connect a dial indicator to the JG AURORA A5 printer for the purpose of bed tramming (leveling) that uses economical dial indicato such as this one for less than $15 bucks or a digital veion such as this for only $25 bucks. Also you can use a metal 1/4-20 (~6mm) sized nut and bolt combo however I like using nylon nuts/bolts such as these just to lighten things a bit. Also if Interested in getting your own JGAURORA A5 check out the deals on Gearbest for them here as these folks have been great to work with and are huge supporte of the 3D Printing community! Major Favor: if you make one of these please post the Make and share it with the community :-) . Also, please follow us on Thingivee and give this a like if this came in handy and for more information on this project, please visit us at as well as subscribe to our YouTube Channel at along with a visit to our drone site and YouTube channel at If you are looking for one of a kind swag shop for youelf or a Maker Geek friend, visit our swag shop at for unique 3D Printing, Laser Cutting and CNC swag! Too, if you want a behind the scene look at what we are working on be sure to follow us on Itagram (