This is the “professional” One-Pass Strongbox Installation Kit that all the glass shops use. This kit comes complete with everything you need (no router) for installing Futures Strongbox center fin-boxes. Includes jig-plate, dummy fin, shims, One-Pass bit, target, alignment pin, spacer and instructions. The jig plate can be used to install all of the other center fin boxes with minimal adjustment. *** Significant savings by ordering entire kit!