200g/0.2g Table Balance Scale Mechanical Scale with Weights School Physics Teaching Tool

- 200 gram table balance scale set comes with 6 weights: 5g, 10g, 20g (2X), 50g, 100g.

- Before use, take away the black trig loop under the balance pan, put the index to 0, and adjust indicator to the middle line.

- Also can balance the scale by adjusting the balance nut on both sides.

- Used for school teaching tool, help kids learn the balance principle and how to use it, also for lab equipment.