The RCC-1 Guide Bushing Alignment Tool works to center routers for use with our TJ line of templates. The tool will work with busings up to 3/4" dia. We found that when using precise templates to install precision machined hardware it pays to have an appropriatly aligned router / guidebushing to make sure each cut is flat and even. This is a great tool for a production box/cabinet making toolkit or to ensure an exact cut on a special one-of-a-kind box.
Installation instructions are availible.