STURDY STRUCTURE: This professional hinge slotting template is made of accurately processed 6061 aluminum alloy and undergoes anodizing processing on the appearance. Its prevent deformation performance is 300% higher than that of similar plastic materials. Its sturdy design ensures the accurate installation of all your door hinge items ACCURATE AND EASY TO USE: This door hinge tool is equipped with a built in depth gage and is suitable for thick hinges(4-1/2in, 5in) and thin hinges(2-1/2in, 3in, 3-1/2in, 4in), ensuring accurate cutting every time EFFICIENT AND HUMANIZED: This hinge fixture has a clear and intuitive structure, making it easy for even beginners to operate. Requires no professional skills or complex tools and is a nice choice for both handicraft enthusiasts and professionals. Use this highly efficient door hinge mortise machine to save installation time for both interior and exterior doors WITH ACCESSORIES: The aluminum alloy door hinge template kit is equipped with a self centering hinge cutter head and a double head screw driver head, eliminating the need for multiple tools. Silicone non slip mats can provide stability during installation and prevent door damage WIDE COMPATIBILITY: The door hinge fixture is suitable for circular hinges(radius 1/4in, 5/8in) and square corner hinges(chisel required), allowing you to cut professional hinge mortises with lengths ranging from 2-1/2in to 5in. This door installation kit is suitable for most door types, allowing you to easily cut and install hinges, Manufacturer: Jelquix