OSALADI 5Pcs Science Spring Scale Set, Tubular Cylinder Force Scales with Hanging Hook, Force Measuring Tool for Physics Experiments and Teaching Aids (1 Newton, 5 Newton, 10 Newton, 20

Force scale--long times measurement, dual scale, high-precision reading table, to ensure accurate reading,cylinder spring scale

Spring balance scale--scales are graduated in grams (g) and newton (n), the scale is clear, can meet your requirements better,portable spring scale

Newton force spring scale--with clear calibration and transparent cylinder design, easy to read markings, different specifications can satisfy your different needs,hanging spring scale

Spring scale for science--detailed workmanship and creative appearance ensure the popularity and practicality of the scientific spring scales in anywhere like classroom, laboratory to use,hanging tube spring scales

Hanging scale--made from and detailed workmanship, this spring scale is , withstand ,spring scales