100g Balance Scales, Portable Table Balance Scale with 5 Weights School Physics Motor Racing Material: PVC and Stone

Material: PVC and Stone

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100g Balance Scales, Portable Table Balance Scale with 5 Weights School Physics Motor Racing Material: PVC and StoneITEM NAME: 100g Balance Scales, Portable Table Balance Scale with 5 Weights School Physics img *{margin: 0; padding: 0;. Before use, take away the black trig loop under the balance pan, put the index to zero, and adjust indicator to the middle line also can balance the scale by adjusting the balance nut on both sides.