Two ends can take shapes Profile gauge features a pulley on one end and a pointed tip on the other, both capable of capturing shapes The chuck moves up and down The pen chuck slides vertically in the center, allowing easy replacement of the grip end Compact size for easy storage This profiler is portable and space-saving, measuring 23 x 3.5 x 2.7 cm; convenient to carry in a pocket Fixed grip pen Holds the pen securely in the middle for smooth drawing motion Metal ruler body resists pressure and impact Durable construction with internal snap closure Steel wheel bearing ensures smooth and wear-resistant operation Steel wheel captures large outlines with smooth line tracing Pointer type design for enhanced accuracy Provides precise shape measurement for reliable results