The tubular spring scale is an essential instrument for physics education. It helps students gain a better understanding of mechanical principles through practical experiments. Not only suitable for teaching experiments, but it can also be used in daily life. Made of plastic and iron materials, it is stable for long-term use. Features -Color:Multi -Material:Plastic, iron -Size:27.00X2.10X2.10cm/10.61X0.83X0.83in -This tubular spring scale enhances the comprehension of mechanical principles in physics education. -It provides reliable data support with precise measurement capabilities. -The user-friendly design allows for effortless connection and measurement. -It extends beyond teaching experiments to daily applications. -The iron and plastic materials used ensure durability and stability. Package list: 1 x Tubular Spring Scale