Pro Combo includes a door hinge jig and a door lock installation kit for precise door installation. Versatile door hinge router jig fits round-corner and square-corner hinges, cutting clean mortises from 2.5" to 5" in length. Accurately supports both thick and thin hinges, ensuring professional results for hinge sizes. Adjustable door knob jig fits most common door sizes, accommodating 1-3/8" and 1-3/4" thick doors. Designed for wooden doors with 2-3/8" and 2-3/4" backsets, making lock installation straightforward. This complete set is designed to handle every step of door installation with , whether mortising hinges or drilling lock holes. The combination of the door hinge jig and door lock installation kit ensures professional results without guesswork, making it ideal for both DIY enthusiasts and professionals. Color: As Shown Material: Aluminum Alloy Package Contents: 1*Door Hinge Jig and Door Lock Installation 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.