Material: Metal + ABS Measuring range: 233 mm ADJUSTABLE AND LOCKABLE The tightness can be adjusted as needed. It is especially useful for drawing irregular and complex objects. It can be locked and fixed after each adjustment to ensure accuracy. AVAILABLE AT BOTH ENDS Our contour gauge comes 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 end. DURABLE AND PRACTICAL The precise contour gauge is made of high-quality metal, sturdy and durable. Small size, easy to carry and store. You can put it in your toolbox and take it anywhere you want. ACCURATE SHAPE COPY A simple and effective way to instantly copy any shape. Accurately copy the instant template for curved and irregularly shaped objects. EASY TO USE The operation of the contour gauge's locking mechanism is very simple, it can even be used with one hand. Fix the pencil in the middle, then press down while drawing the line. Size: 23*3.5*2.8CM Delivery quantity: One piece