1、Features:  2、The straight line arc scribe is a tool that makes scribing easier than before. There is no need to make a gaps and a lot of measurements to draw parallel curves and straight lines again. 3、Draw lines with perfect accuracy, without worrying about grabbing the edges and drawing accurate parallel lines like simple marking tools often do. 4、With the help of stainless steel rollers to easily adjust the measured values and draw parallel curves, straight lines, you can see how this tool makes your work easier. 5、Use double stainless steel rollers to draw arcs. The double rollers help various surfaces without jamming the edges like simple marking tools often do. 6、A wide range of applications, can be used in a variety of materials, such as ceramics, iron, acrylic, wood, glass, etc, to make your work easier.  Specification: Material:Aluminum Alloy + Stainless Steel Size:220 x 50 x 77mm Weight：243g Package Include: 1x Contour Gauge 1x Pen