[Anti-Deformation Aluminum Alloy]Made of -machined aluminum alloy. It maintains cutting after long use, without or wear, ideal for professional carpenters' frequent wood door installations [Standard Size Door Hinge Universal] This door hinge template fits hinge lengths from 2.5" to 5" and works with 1/4" radius, 5/8" radius round hinges, and square corner hinges (chisel needed for 90° corners). Compatible with most door types. [With Scales, even Beginners can be Precise]The door hinge router template is equipped with an integrated depth gauge, ensures accurate cutting for thin (2.5"-4") and thick (4.5"-5") hinges, allowing novices to install or repair wooden doors independently. [Suitable for DIY & Professional Use] This door hinge router jig is designed specifically for door hinge cutting. Ideal for interior/exterior wooden and composite doors - whether you're a DIY homeowner or pro installer, it enables fast, precise hinge mortising, Weight: 1.322773572 pounds, Manufacturer: Ounfhtrttk