Features: Providing a fit for 28mm width concealed hinges, while the adjustable length design fits multiple hidden hinge length sizes. Designed to cut precise hinge recesses , this professional jigs helps you achieve consistent cut and dramatically reduce door hinge installation time. Designed for standard wood doors and frames, it is suitable for common door thicknesses and requires none additional tools or complicated setups, just clamp the template and start cutting. Make of high strength and impacts resistant Plastic, it is enduring and can be used repeatedly to maintain the accuracy for a long terms. Equipped with built in alignment guides and quick clamping systems , the hinge can be installed and positioned in seconds. Specifications: Component: Plastic Size: about 20x1.6x0.3cm/7.87x0.63x0.12inch Package Includes: 1set Carpenter Slotting Template note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.