(Integrated Door Hinge Mounting Workpiece): Our door hinge kit allows for quick installation of door hinges for cutting and fitting rounded or square corners. (Cut hinges that are easy to install and use): The hinge router template is adjusted for the hinge length, thickness, and rounded and square corners. Use a clip to securely fasten the hinge mortise to the door and lock it in place, there is a built-in depth gauge on the side for connecting the router bit to set the depth, and it is equipped with a self-centering hinge drill bit to that the hinge screws are fixed, and the different radius wiring marks the hinge template. (No hammer and chisel required): You just need to use this hinge template and router or compact router to install your door hinges. (excluding routers) is located on the exterior wall of the area, simply set the depth using the router drill bit depth gauge and then cut the door hinge shape from the template area. Definitely better and faster than using a chisel. (Rugged Construction): Made of sturdy plastic material and silicone non-slip pads on both sides, this door hinge mortise template is stable enough to not damage your door when installing the door hinges, and it is sturdy enough to use frequently. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color:Blue Material:plastic Package Contents: 1 * door hinge mortise template kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.