General description Set of 5 spring scales designed for teaching experiments and laboratory use. These transparent spring scales are suitable for measuring gravity and tension, making them an essential tool for educational purposes. Technical specifications Scales included: 1N, 5N, 10N, 20N, 30N Material: Transparent plastic case Calibration: Measured in grams and Newtons Usage These spring scales are easy to use and convenient to carry, making them ideal for classroom demonstrations and experiments.