Description This precision measurement tool is designed for accurate inspection of various defects such as cracks, stains, and scratches. The ruler features a transparent design, allowing for clear visibility and precise measurements. Ideal for quality control in manufacturing, it ensures that all products meet high standards of appearance and functionality. Features - Color: Transparent - Material: Plastic - Size: 10.40 x 6.10 x 0.20 cm / 4.09 x 2.40 x 0.08 in - Precision measurement: Utilizes advanced spot inspection and crack width measurement technology to ensure accurate readings and reliable results - Quick detection: Capable of rapidly identifying cracks and stains, helping users detect issues quickly and take necessary actions to improve product quality - Versatile application: Suitable for various industries such as manufacturing and construction, meeting diverse measurement needs across different fields - Durable material: Made from wear-resistant plastic, ensuring long-term reliable use - Efficiency boost: Enables fast measurement and accurate assessment, saving time and enhancing work efficiency Package list: 2 x Crack width rulers