Versatile Adjustment - You can change its shape as you need, just change the tightness of the pencil holder and the nut to get different shapes to meet the demand. It can be locked and fixed after each adjustment to ensure accuracy. High Quality - It Is Made Of High Quality Aluminum Alloy, The Surface Of Which Is Treated By Anodic Oxidation, Which Can Help Extend Product Life. Compact and easy to use - The product size is very small, the weight is also very light, you can put it in your pocket directly. Its unique shirt pants belt clip design makes it easy to carry and store. EASY TO USE: The scale of the woodworking line arc scribing tool is clearly visible. You can draw parallel lines and arcs according to your ideas, which is very convenient to use. Wide Application - It is a multifunctional tool with more than 15 marking applications, including tiling and paving, stud walls, gables and panels, infill panels, shop fittings and built-in furniture.