SOSS Invisible Hinge Router Guide Templates SOSS Invisible Hinges now can be installed easier and faster than ever before. Each router guide template is individually handcrafted for exactness. The template is held on the door and jamb with nails; guide pins locate the deep mortise. The edges of the template assure a perfect outline when used with SOSS RGB100 Template Guide and Lock Nut, or the the Porter-Cable Template Guide #42024 (Lock Face Routing) and #42237 (Lock Nut). 101IT - for the #101 SOSS Invisible Hinge 204IT - for the #204 SOSS Invisible Hinge 208IT - for the #208 SOSS Invisible Hinge 212IT - for the #212 SOSS Invisible Hinge 216IT - for the #216 and #416 SOSS Invisible Hinge 218IT - for the #218 and #418 SOSS Invisible Hinge 220IT - for the #220 SOSS Invisible Hinge 504IT - for the #504 SOSS Invisible Hinge 518IT - for the #518 SOSS Invisible Hinge