Specification Brand : Jeanoko BulletPoint1 : 1. brand new and high quality. BulletPoint2 : 2. Achieve weight measurement based on lever principle. BulletPoint3 : 3. Use the tweezer to clamp the weights, keep them clean and accurate. BulletPoint4 : 4. Easy to operate and carry. BulletPoint5 : 5. Suitable for scholastic physics and chemical experiments, an ideal teaching tool. ExternallyAssignedProductIdentifier : 7072802140058 ItemName : Lab Mechanical Balance Scale, Premium Lab Mechanical Balance Mechanical Tray Balance Mechanical with 1 X Tray Balance for Scholastic Physics for Laboratory ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 22 centimeters ItemPackageDimensions_Width : 16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-mechanical-balances Manufacturer : Jeanoko PartNumber : Jeanoko1dagxigswp2309 ProductDescription : Specification: Tray Balance is mainly made according to Robway mechanism and lever principle. As a small indoor weigh instrument, it is featured with easy to operate and carry. Ideal teaching tool for chemical and physics experiments. Features: 1. brand new and high quality. 2. Achieve weight measurement based on lever principle. 3. Use the tweezer to clamp the weights, keep them and accurate. 4. Easy to operate and carry. 5. Suitable for scholastic physics and chemical experiments, an ideal teaching tool.