The 15 inch framing tool features a 3 slot design for holding 1.5-inch framing lumber, faster framing with improved accuracy and saves lots of time.Framing stud layout tool breaks the tape measuring and marking of traditional framing projects. You just slide the bolt into the framing tools, and you can easily build a frame with15 inch spacing, you don't need to stop and measure again and again.The framing spacing tool are made of 2.7mm thick high-quality metal with a black powder coating that is uniformly covered and complete, strong and sturdy, ensuring long-lasting use in a variety of outdoor.If you do any framing at all, this is a nice framing tool that is very portable. Even amateurs can get started easily. This is a good help for build walls, roofs and ceiling pitches. If you have any questions about our products, please contact us and we will be happy to solve your problems.15 Inch stud layout tool eliminates errors and ensures precision measurements, achieving parallelism and verticality. Perfect for building frames for projects involving walls, roofs, floors, and ladders.