Adjustable Positioning System: This cabinet door installation fixture features an adjustable positioning system that is compatible with most types of cabinet doors. The clear scales on both sides precisely mark the hinge installation positions, suitable for panel thicknesses ranging from 8 to 40 millimeters (0.31 to 1.57 inches). High-Strength Aluminum Alloy: Made of high-strength aluminum, it has a robust structure and strong resistance to deformation. The clear and easy-to-read scales, combined with a smooth adjustment mechanism, ensure precise positioning every time. Package Contents: The set includes one cabinet door installation fixture, a 10mm dedicated spiral drill bit with depth control, and an L-shaped wrench. This kit covers the entire process of measuring, positioning, and drilling, meeting the needs of cabinet installation. Easy to Operate: The quick-adjustment knob and locking bar design make it easy to set the dimensions and securely lock them in place, ensuring stability during the marking and drilling process. Single-handed working allows for quick positioning and a secure grip, improving work efficiency. Wide Application: It supports both left and right door panels and is compatible with frameless and face-frame cabinet systems. As a precise guide for drilling and hardware positioning, it effectively prevents misalignment and the need for rework., Manufacturer: LuLobtg