Features: Easy adjustment for both hinge length, height, and round square corner. The adjustable features ensures a precise fit for different hinge lengths Thicknesses, and corner styles Providing a comprehensive solution for your routing needs. Suitable for enthusiasts and professional carpenters alike, these kits simplify process of door hardware installation Whether you're renovating your home or working project, these door installation kits ensures that every hinge and latches fits perfectly and operates smoothly. Empowers you to achieve professional results without the need for additional tool. Specifications: Component:ABS Hinge Length:3", 3-1/2", 4", 4-1/2", 5" Hinge Thickness:1/4", 5/8" Router Bit Depth:3", 3-1/2", 4", 4-1/2", 5" Hinge Types：Round Hinge 5/8" Raduis Round Hinge 1/4" Size:Approx.200x89x55m/7.87x3.5x2.16inch Package Includes: 1x Door Hinge Mortiser 1x Router Bit 1x Self Centering Hinge Bit 1x PH2/8-10SL Double Ended Screwdriver Bit 1x Hexagon Spanner note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.