Easy to Use: Secure the hinge template and use it to guide your router, precisely cutting a clean recess for the hinge. Then, drill pilot holes with a self-centering hinge bit and drive the screws using a double-ended screwdriver bit. & Adjustable Lock Installation Kit: This practical lock installation kit features a yet plastic jig that is fully adjustable. It reliably fits the most common standards for wooden doors: 1‑3/8″ or 1‑3/4″ thickness, and 2‑3/8″ or 2‑3/4″ backsets, ensuring quick and accurate setup every time. Works on Doors & Jambs: Easily install this 3-1/2" hinge mortise jig on doors (using 2 clamps) and jambs (which requires screwing for optimal stability). It fits 5/8" round, 1/4" round, and square hinges. Please note: Clamps are not included. Also, square hinges require finishing the corners with a chisel after routing. Hinge Installation: Engineered from upgraded aluminum alloy, this door hinge template kit for router features a -machined, anodized . Please note that on the door frame, the jig is secured with screws, which leave two small holes; filling these is optional., Weight: 2.094391489 pounds, Manufacturer: Wesafrae