Features Measuring Range: This is a Newton force measuring instrument with a maximum measuring range of 10N, you can also use it to measure the mass of objects within 1kg. Premium Material: This Newton force spring scale is made of high quality spring and plastic, this dynamometer can maintain its measurement accuracy after many uses, with stable performance and long service life. Easy To Operate: The hanging Newton force spring scale is designed with standard structure and easy to operate, helping you to complete laboratory and teaching activities effectively. Professional Manufacturing: This Newton force spring measuring instrument is manufactured with professional technology, with good reliability, and can be used as a basic teaching instrument for physical mechanics experiments. Intimate Service: We provide 7-day worry-free return and exchange service for all customers. If you have any questions about our Newton force spring scales, you are welcome to contact us and we will serve you wholeheartedly. Specification: Maximum range: 10N Material: Plastic, Iron Color: Green shell Length: 15.5cm/6.1in Package weight: Approx. 48g/1.7oz   Package list: 1 * Spring Dynamometer   Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding. Package List