guide bushings

I have a set of guide bushings that are silver-colored and I’m not sure if I bought them or if they came with a Hitachi router kit that I bought used. My search is for a matching locknut for there are times when I need a second. I bought a Porter Cable lock nut that is the correct diameter but...

I have the above router and bushing set with a 1/4 spiral cut router bit. I would like to route out a depression to mount these drawer pulls (I made them). The base is rectangular and roughly 1 1/2" x 4 1/4 inches and is 1/4" deep. My plan is to make a template to route out the depression and...