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Soft Foam Set: This Foam Disc Set includes four discs made of soft foam
Supplied in pairs
so the metal balls vibrate violently
500g Heavy Duty Slotted Weight Iron Nickel Plated Set
Two-pan Balance measurements Soft Foam Set: This FoamSuitable for science lab and classroom, it is an ideal teaching tool. Clamp the weight with tweezers to keep it clean and accurate, the weights are stored in the box for better protection of the weights so that the results are more accurate. 100g Maximum weighing, 0. 1g readability, weighing tray diameter 85mm 3. 35in. 7. 80" L x 3. 35" W x 5. 79" H, it is easy to operate and carry. Premium Quality: This item is made of high quality, heavy duty and
