Precise shape duplication: easily copy any shape or duplicate a profile exactly for woodworking or tile flooring/ linoleum installation where you want to replicate the shape of moldings or match cut-outs around door casings and pipesPractical gauge: the saker contour gauge profile tool is useful for measuring moldings for reproduction, copying curves and a variety of other contour matching jobs around the home and shop; It fits most pipes and round columns and allows you to easily copy shapes to precisely cut flooring to match objectsHigh Precision Profile Copy Gauge: This shaping gauge has high precision and the single needle down to 0.06 in, which can provide you a more accurate data. You dont need to copy the line on the paper and transfer anymore.Premium ABS Material Measuring Tool: It is made by durable and stable ABS plastic, and no harm for the surface of the target you would like to shape and duplicate. It is smooth to push and no lack of pins to influence precision.Adjustable Lock & Easy to Use Shape Duplicator Tool: contour guage can adjust the tightness according to your needs. After using the contour ruler for a period of time, you can easily adjust the tightness;Once object has been contoured, lock contour gauge teeth in place for perfect traces every time.