A. [VERSATILE ADJUSTMENT]: You can change the shape according to your needs. Only by changing the tightness of the pencil holder and nut can different shapes be achieved to complete the task. It can be locked and fixed after each adjustment to a certain precision. B. [DURABILITY]: It is made of aluminum alloy with anodic oxidation treatment on the surface, which may help to extend the service life of the product. C. [EASY TO USE]: The scale of the woodworking linear arc scriber tool is clearly visible. You can draw parallel lines and arcs as you like, which is convenient to operate. D. The size of the product is relatively small and the weight is also light. You can put it directly in your pocket. The unique shirt trouser belt clip makes it relatively easy to carry and store. E. [WIDE APPLICATION]: It is a multi - function tool with over 15 marking applications, including tiling and paving, stud walls, gables and paneling, in - fill panels, shop fitting and built - in furniture. F. Size: 1.38 x 1.2 x 6 inches G. Colour: black H. Material: Plastic I. Package Contents: 1 x Scribing Ruler Contour 1 x pencil Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item to be a bit different from the real thing. The measurement allowed error is +/- 1 - 3cm.