Secure Auto Lock Mechanism: The tape measure features a reliable auto lock function that ensures the tape stays firmly in place, providing accurate and consistent measurements every time you use itHigh Carbon Steel Tape: Made from thickened high carbon steel, this measuring tape can extend up to 3 meters without bending, offering convenient and measurements. The large, easy to read numbers and clear markings enhance readability for accurate resultsDouble Sided Fluorescent Coating: The scale on the tape is coated with a fluorescent layer that reduces reflection and improves readability under various lighting conditions, enhancing measurement accuracyVersatile Use: Ideal for DIY projects, construction tasks, and various measurement needs. self lock tape measure ergonomic design and comfortable grip ensure ease of use even during extended periods of workPortable Design: Equipped with a reliable nylon strap and metal clip, this measuring tape is easy to carry and securely transport, making it convenient for on the go measurements and projects anywhere you need them Specification: Material: High Carbon Steel Color: Black Size Chart: 7cmx7cmx4cm/2.76inchx2.76inchx1.57inch Package Includes: 1Measuring Tape Note: Please allow slightly errors due to manual measurement and different monitors.