In my case, wanting simplicity and speed...... I was getting tired of constantly dropping the 7/16" box-open wrenches used to secure the nuts and bolts, I
I am selling my Astro-Physics 130mm f/6 refractor. Thought I would mention it here before Astromart. I have the AP mounting rings. Currently mounted on
Tony - I got them from MSC industrial supply. The bolts are hex head (1/4" hex head) bolts item # R40681141 and they're 1" long with a thread of 5/16-18. I