DescriptionIf you've been looking for a counter balance, then your search is over! That's because our professional counter balance could satisfy your need. Made from premium material, it is sturdy and durable for long time use. It is compact and easy to install, which is the great choice for you.Features- Color: Light Grey - Material: ABS, Iron - Size: About 20.00X14.50X7.00cm/7.86X5.70X2.75in - Accuracy: 0.1g. - material with stable performance and long service time. - Learn the theory of balance through balancing the scale, teach students know balance principle. - The balance plate in the plane force, in the non-central position can automatically move to the center of the balance and the composition of the utensils. - The scale is clear and the characters are not easily worn. - Can be firmly placed on the desktop, metal base, easy to use.