This cabinet door installation positioner is designed for effortless independent use, allowing you to hold the door with one hand while drilling and securing screws with the other. Constructed from high-quality aluminum alloy, it offers stable support for precise alignment without tilting. Suitable for both professional cabinet makers and DIY novices, this tool accelerates installation, helping you complete more projects in less time. With dual measurements for easy height marking and an adjustable clamping range accommodating panels from 10 to 60 mm, it's versatile enough for various cabinet board sizes.