[Adjustable & Multi-functional]: You can change the scribe tool's shape according to your needs, only need to adjust the tightness of the pencil holder and nut to change different shapes to complete demand, such as countour mode, scribe mode, compass mode and edge rule mold, over 15 marking applications [Quality ABS Material]: The base of this multi-functional scribing tool is made of high-quality ABS plastic material, which is very , easy to carry and store. The deep hole pen tip is made of metal, so it 't break or be damaged during construction; you can your drawing work effortlessly [Practical Woodworking Tools]: Contour gauge with 2 deep hole pens in different colors(black, red), and refills in different colors(black, red,yellow), they come in boxes and are not easily crushed. Different colors of refills will be clearer to meet your different usage scenarios [Accurate & Easy To Use]: The marking tool is equipped with a sturdy knob, which can well prevent the instrument from rolling. Allows you to easily maintain a consistent scribe offset during use, staying parallel to the every time. You can draw parallel lines and arcs according to your ideas, which is very convenient to operate [Wide Application]: The contour gauge scribe tool can be used to measure the shape of irregular objects with more than 15 marking applications on metal, plastic, glass, wood, paper, infill panels, shop fittings and built-in furniture, and more. Compacet size and , easy to carry out for outdoor use Colour: black+red Material: ABS Package Contents: 1 x Contour Gauge( black deep hole pencil ) 1 x red deep hole pencil 1 set x black refill 1 set x mixed color refill (3 yellow + 3 red) 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.