Description The spring scale is made of premium spring and hanging hook, which ensures great rigidity, sturdiness and corrosion resistance. It is perfect for classroom and field applications to measure weight and to explore physics principles of force and mass. Lightweight, reasonable size, easy and convenient to carry and store. Deepen your understanding of force and improve your interest in learning. Features -Color: Random color - Material: Plastic.- Size: 18.00X1.50X1.50cm/7.07X0.59X0.59inch. - Practical spring scale for testing force and gram weighing. Designed with 25N/ 2500g measurement ranges, measuring in both "g" and "N". - Perfect for classroom and field applications to measure weight and to explore physics principles of force and mass. - Each scale is equipped with a hanging ring at the for easy hanging, and a hook at the bottom for attaching the item to be weighed. - Premium stainless steel spring and hanging hook ensures great rigidity, sturdiness and corrosion resistance. - With clear calibrations and transparent cylinder design, it's easy to read markings. Packing list: 2 x Spring Scales