Complete Installation Solution The door hinge and latch installation kit combines a hinge template and a latch setup tool in one package, reducing the need for extra equipment and helping carpentry tasks proceed efficiently. Adjustable and Versatile The hinge template allows adjustment of hinge length and thickness, and supports either round or square corners with 1/4 inch radius or 5/8 inch radius. Latch kits are designed for doors 1 3/8 inch or 1 3/4 inch thick, with both round and square corner latches included. Drill bits are supplied to ensure accurate mounting screws for hinges and latches. Crafted for Convenience The latch installation kit features built-in alignment marks and chiseling tools, plus interchangeable round and square blades. This enables accurate cutting and reliable installation of door hardware. Comprehensive Toolset The template kit includes three essential bits: a trimmer, a self-centering hinge bit, and a two-headed screwdriver bit, providing everything needed for professional installations. Use scenarios - New door installation: For interior or exterior doors requiring hinge and latch setup on doors that are 1 3/8 inch or 1 3/4 inch thick, with either round or square corner hinges and latches, this kit streamlines alignment and screw mounting. - hardware upgrade or replacement: When upgrading existing doors, use the adjustable hinge template to fit the correct hinge length and corner style, and use the included bits and drill bits to accurately install new hardware. - on-site carpentry projects: The built-in alignment marks, chiseling tools, interchangeable blades, and three essential bits support precise cutting and fast installations in professional settings.