Trend Adjustable Routing Jig Frame & Guide System for Creating Square and Rectangular Recesses, Slots, and Face Panel Molds with a Router, VARIJIG - Router Accessories - Amazon.com
Trend Two-Piece Professional Hinge Jig Kit with Long Reach Router Bit & Guide Bush for Recessing Hinges in Doors & Frames, H/JIG/A - - Amazon.com