[VERSATILE ADJUSTMENT]: You can change the shape according to your needs by adjusting the tightness of the pencil holder and nut to achieve different configurations. It can be locked and fixed after each adjustment for precise accuracy. []: Made of high-quality aluminum alloy with an anodized surface treatment to help extend the product's service life. [EASY TO USE]: The woodworking linear arc scriber tool features clear scale markings, allowing you to draw parallel lines and arcs easily. Compact and lightweight design fits conveniently in your pocket. The built-in belt clip enables easy carrying and storage. [WIDE APPLICATION]: A multi-functional tool with over 15 marking applications, suitable for tiling, paving, stud walls, gables, paneling, in-fill panels, shop fitting, and built-in furniture. Size: 1.38 x 1.2 x 6 inches Color: Black Material: Plastic Package Contents: 1 x Scribing Ruler Contour, 1 x Pencil Note: Light and display differences may cause slight variations in color. Measurement error allowance is +/- 1-3 cm.