This door hinge Jig is designed to be used in conjunction with a router to recess/mortice 76mm door hinges. It can be used on a door or a door frame and can even be used if the architraves are already in situ. YOU WILL REQUIRE A TRIM ROUTER WITH BUSH SUPPORT, A 17mm BUSH GUIDE AND 9.5mm STRAIGHT CUTTER. The jig is designed for easy use with a variety of routers and is compatible with 17mm guide bushes. Its durable construction ensures longevity and its compact size makes it easy to store when not in use. Whether you're working on a renovation project or simply need to install a new door, this jig is the perfect tool to ensure a seamless and professional finish.