Locking Function: With the locking button, the tape measure fixed in position during measurement to avoid errors and improve operational stability Fluorescent Readability: Special fluorescent coating designing allows for clear reading even in low-light environment, improving ease of use Durability: Thickened stainlessed steel improves the tape measure ' s abrasion rustproof prolonging its service life High Precise Measurement: Adopting high precise manufacturing process ensuring the accuracy of each measurement, suitable for both professional and amateur users Humanized designing: The bottom designing making the tape measure flexible and easy to adapt to various measuring surfaces, improving the measuring efficiency, Manufacturer: Kaeltsyn