Cutting perfect miters just became the easiest part of the job with the Bora MiteriX Angle Duplicator. Use this tool to measure the exact miter angle you need to cut. Then lock it and transfer that exact angle to your miter saw. It divides the angle in half for the perfect miter — couldn’t be easier. From crown molding and wood casing to baseboard and trim, this tool will save you hours of frustration and wasted material.