Two ends can take shapes Profile gauge is one end is a pulley, the other end is a pointed tip and both ends can take shapes The chuck can move up and down The pen chuck can move up and down in the middle, which is convenient for changing the socket end Small size for easy storage This profiler is very easy to transport and store, measuring only 23 x 3.5 x 2.7 cm. Don't hesitate to put it in your pocket. Fixed grip pen Hold the pen firmly in the middle and draw by sliding Metal ruler body, resistant to pressure and falling < /h3> Sturdy and durable with internal snap closure Steel wheel bearing, smooth and wear-resistant The steel wheel takes shape with a large outline and the drawing line takes the shape smoothly Pointer type, more precise Accurate shape measurement, worry-free measurement Sold by the grid cool store