I finally used this to cut some grooves in to thin wood pieces. While this same job would have been easier with a router table, I do not have one. This unit has a course adjustment and a fine adjustment, which I guess saves a few seconds in setting up. This unit can also do circle patterns too, something I did not realize when I bought this - but since I already have a&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Jasper-200J-Model-200-Circle-Cutting-Jig-for-Plunge-Router/dp/B00009K77A/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Jasper 200J Model 200 Circle Cutting Jig for Plunge Router</a>&nbsp;jig I'm probably not going to use it.