Lightweight and Durable Aluminum Alloy Door Lock Positioning Fixture Precision Design: Made from quality aluminum alloy with an anodized finish for enhanced resistance to wear. Three times more durable than standard plastic fixtures while remaining lightweight for easy handling during door or cabinet installation. Adjustable Fit: Equipped with adjustable mortise clamps to ensure accurate hole positioning for doors of varying thicknesses and lengths. Exact Size Compatibility: Suitable for creating hinge grooves from 2 1/2 in to 5 in in length. Works with circular hinges with radii of 1/4 in and 5/8 in, as well as square hinges (chisel required). Fits most doors with a maximum thickness of 1 3/4 in. Accuracy: Features a sidemounted depth gauge and a selfcentering hinge drill bit, ensuring precise alignment and secure hinge screw installation. Spare parts can be reused for multiple projects. Easy Operation: Designed for straightforward use—simply position the fixture on the door and tighten the large nut on the right side to match the door thickness. Eliminates the need for marking with an awl or chiseling, helping to avoid surface blemishes. Applications: 1. Ideal for professional carpenters installing multiple doors quickly and accurately on a job site. 2. Suitable for DIY homeowners undertaking cabinet remodeling or replacing interior doors. 3. for workshops needing a reliable jig for repetitive hinge installation with consistent results. This fixture offers reliable precision, robust construction, and simple operation for all hinge and lock positioning tasks.