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:10.40X6.10X0.20cm/4.09X2.40X0.08in -Precision measurement: utilizes advanced spot inspection ruler and crack width measurement technology to ensure accurate measurement of various dimensions, ensuring precise results -Quick detection: capable of rapidly identifying cracks and stains, helping users to promptly detect issues and take necessary actions to improve product quality -Versatile application: suitable for various industries such as manufacturing and construction, addressing diverse measurement needs across different fields -Durable material: made from plastic material with wearresistant properties, ensuring long-term reliable use of the product -Efficiency boost: enables quick measurement and accurate judgment, saving time, thereby enhancing work efficiencyPackage list: 2 x crack width rulers Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours