QWORK Balance Scale, 200g / 0.2g, Laboratory Triple Beam Balance Beam Scale for Teaching Tool bee 22 Inch Aperture: 0

22 Inch Aperture: 0

Hold the strip at one end and dip the other end in the liquid

- Adjustable span ring fits easily on your fingers

solving the problem of many 2:1 shrink tubes that don't shrink enough and therefore don't seal tightly enough

Package Content 1PCS x Revolving Handle Knob

QWORK Balance Scale, 200g / 0.2g, Laboratory Triple Beam Balance Beam Scale for Teaching Tool bee 22 Inch Aperture: 0QWORK Balance Scale, 200g 0. 2g, Laboratory Triple Beam Balance Beam Scale for Teaching Tool Product Features 100% brand new and high quality, good performance and long term service. Achieve precision weight measurement based on lever principle. Use the tweezer to clamp the weights, keep them clean and accurate. Perfect for scholastic physics and chemical experiments,also can be used as Lab scale, Jewelry scale. Enjoy a smooth &worry free return