1. Powerful ruler spring design, retraction is smooth and powerful. 2. Soft rubber anti-slip mat, anti-slip and wear-resistant. 3. Zero-point correction ruler hook, accurate measurement and reliable data. 4. Slide button locking design. After the ruler tape is pulled out, push the slide button forward to lock, and pull the slide button backward to retract the ruler tape, making it easy to use. 5. Size: 71x68x30mm 6. Specifications: 5mx19mm
