[Easily Adjust]:Make sure this fits by entering your model number. You can change its shape according to your needs, only need to change the tightness of the pencil holder and nut to achieve different shapes to complete the demand. It can be locked and fixed after each adjustment to precision accuracy. [ Material]: It is made of material. [Convenience]:The scale of woodworking linear arc scriber tool is clearly visible. You can draw parallel lines and arcs according to your ideas, which is very convenient to operate. [Suitable Size]:The size of the product is very small, the weight is also very light, you can put it directly in your pocket. Its design of shirt trouser belt clip makes it easy to carry and storage. [Multi-Application]:It is a multi-function tool, including tiling and paving, stud walls, gables and paneling, in-fill panels, shop fitting and built in furniture. color:Black Material:Plastic + Metal Package Contents: 1 x Pencil Scribing Tool 1 Box x Pen refill (2 Black, 2 Red and 2 Yellow) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.