Providing a fit for 28mm width concealed hinges, while the adjustable length design fits multiple hidden hinge length sizes Designed to cut hinge recesses, this professional jigs helps you achieve consistent cut and dramatically reduce door hinge installation time Make of high strength and impacts resistant, it is enduring and can be used repeatedly to maintain the accuracy for a long terms 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 Equipped with built in alignment guides and quick clamping systems, the hinge can be installed and positioned in seconds, Manufacturer: Kalttoy