The spring scale has tubular design with different measurement ranges for determining weight. Each scale has at the tops for hanging, as well as an s-hook at the bottom for attaching the sample to be weighed. With practical functions and reasonable design, it is used in classroom to measure weight and to explore physics principles of force and mass. Features - ColorYellow - Material: Plastic. - Size: 25.50X3.20X2.30cm/10.02X1.26X0.90in. - Maximum measurement: 0.5kg ( ) - Made of safe material and detailed workmanship, this spring scale is , can be used for long time. - Long times measurement, dual scale, high-precision reading table, to ensure accurate reading. - Each scale has at the top for easy hanging and a hook at the bottom to fix the item to be weighed. - With clear calibration and transparent cylinder design, easy to read markings. Great for physics demonstrations and experiments. - Good for classroom and field applications to measure weight, explore the physics of force and mass, offer you good service. Package list: 2 x Spring Scales( )