The transparent plastic body of the cylindrical spring scale allows for easy visibility of measurements, making it an ideal tool for educational purposes. This hanging tube spring scale is for young learners and science enthusiasts, providing a hands-on experience in measuring force and weight. Its Sturdy construction ensures use in various experiments. Features -Color:Assorted Color -Material:Plastic -Size: 27.00X3.00X2.50cm/10.61X1.18X0.98in -Transparent design: the clear plastic body allows for easy observation of readings, making it for educational purposes -Hanging tube: the spring scale comes with a hanging tube, making it easy to suspend and use in various experiments -Accurate measurement: capable of accurately measuring the weight and force of objects, ensuring precise results for experiments -Sturdy material: made from plastic, these spring scales are built to last and withstand regular use -Versatile use: ideal for physics experiments, classroom activities, and diy science projects, enhancing hands on learning experiences Package list: 20 x spring scales