Quantity: one piece Color: black orange ADJUSTABLE AND LOCKABLE: The tightness can be adjusted as desired. It is particularly useful for drawing irregular and complex objects. Locking attachment after each adjustment ensures accuracy. Both ends can be used: Our profilers come with a pulley end and a pointer end. The pulley end is smoother, and the pointer end is more precise and easier. The pen holder can be moved up and down to easily change the style of the end. DURABLE AND PRACTICAL: The precision profile gauge is made of high quality metal, solid and durable. Small size, easy to carry and store. You can put it in your toolbox and take it wherever you want. Accurate shape copying: A simple and effective way to copy any shape in no time. Accurately reproduce live models for curved and irregularly shaped objects. Ease of Use: The operation of the contour gauge locking mechanism is so simple that it can even be operated with one hand. Hold the pencil in the center and press down as you draw the line.