Fangrui Product Details [Efficient Door Installation Positioner] Designed to simplify the installation of cabinet doors and hinges, this tool saves time and effort. It allows a single person to install doors accurately and quickly, enhancing productivity and reducing labor costs in both residential and commercial settings. [Adjustable and Versatile] This positioner features an adjustable height mechanism to accommodate various door thicknesses, ensuring compatibility with most cabinet door hinges. It accurately measures and marks drilling spots for consistent, professional results, making it indispensable for custom cabinetry work. [Protective Wood-Friendly Design] Equipped with rounded edges and integrated sponge padding, this tool prevents damage to wood surfaces during use. Its designed to maintain the integrity of your materials, ensuring that cabinet doors remain unscathed during the installation process. [Stable Setup with Adjustable Guides] The positioner includes adjustable guides to fit different handle sizes and style