1. Selection of size: different use environments have different requirements, and the size requirements of the tape measure are also different. For daily home use, you can choose a self-rolling tape measure of 5 meters or 10 meters; if you need to measure too long in normal times, You can choose a measuring tape measuring 20 to 30 meters; if you need to measure the body length or measurements, you can choose a small measuring tape under 2 meters.

2. Accuracy: The printing of high-quality tape measure must be clear, the numbers and text on the tape measure must be clear, because clear printing is an important prerequisite for the accuracy of the tape measure, and the double-sided scale tape measure should be selected, because in normal use, if When it comes to inches, the conversion of measurement can be avoided, and the accuracy of the measurement is guaranteed to the greatest extent.

3. Look at the details: high-quality tape measure claws must be movable, because the movable claws are the key to offset the impact of the thickness of the claws on the measurement; and the texture must be hard, the quality of such products is relatively guaranteed; also check Whether the toilet surface of the tape measure is smooth, whether there are burrs, burrs, etc., and the box body must not be cracked, rusted or incomplete.

4. Test flexibility: when buying a tape measure, you can pull the tape many times to test the elasticity of the spring inside. If the spring is too loose, it will be difficult to retract the tape, and it will be difficult to pull out if it is too tight. Ensure that the tape can stretch freely .