The spring scale has tubular design with different measurement ranges for determining weight. Using , can maintain good working performance and support long term using. Each scale has at the tops for hanging, and an s-hook at the bottom for attaching the sample to be weighed. Features -Color:Blue -Material:Plastic, glass, stainless steel -Size:25.00X2.50X2.00cm/9.82X0.98X0.79in - Maximum measurement: , , , , . - Made from and detailed workmanship, this spring scale is , withstand . - 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, different specifications can satisfy your different needs. - Great for physics demonstrations and experiments, used to measure weight, explore the physics of force and mass. Package list: 1 x Spring Scale( ) 1 x Spring Scale( ) 1 x Spring Scale( ) 1 x Spring Scale( ) 1 x Spring Scale( )