Contour Gauge for precise shape measurement, capable of reproducing various shapes. Ideal for use in tile laying, ceramics, tool molds, laminates, and carpet cutting. Adjustable and lockable function allows customization of gauge tension based on user needs. Suitable for tracing contours of irregular and complex objects. Can be locked in place after adjustment to ensure measurement accuracy. Compact design measures approximately 3.5 x 2.7 x 23.3 cm and weighs about 0.182 kg. Lightweight and portable, making it easy to carry and store. Dual-end functionality features a pointer on one end and a pulley on the other, enabling measurement and marking from both ends. Scroll wheel ensures smooth drawing motion, while the pointer end allows for precise and easy tracing. Constructed from high-quality metal and ABS plastic for durability and long-term use. Resistant to wear and impact, providing reliable performance. Product specifications: Material: Metal + ABS Size: 3.5 x 2.7 x 23.3 cm Weight: 0.182 kg Measurement range: 233 mm Instructions: 1. Turn the center nut to adjust the clamp tightness. 2. Insert the marker into the clip. 3. Tighten the nut to secure the marker in place. 4. Use the pulley or pointer end to measure and trace contours.