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 to change the grip 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. Feel free to put it in your pocket. Fixed grip pen Hold the pen firmly in the middle and draw while gliding Metal ruler body, resistant to pressure and falling Sturdy and durable with internal snap closure Steel wheel bearing, smooth and wear resistant Steel wheel takes shape with a large outline and the drawing line takes shape smoothly Pointer type, more accurate Accurate shape measurement, worry-free measurement Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.