LoveinDIY 100g Mechanical Tray Balance Scale with Sensitivity Portable for Physics Laboratory Teaching Tool with Tray Balance- Tweezers and Various Weights

Description: - 100% brand new and with high quality - 100 gram table balance scale set comes with 5 weights: 5g, 10g, 20g , 50g, 100g - 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 - Used for classroom teaching tool- help kids learn the balance principle and how to use it - Also collectibles, also will be a great addition to your lab supplies. Specification: - Material: Metal - Size: 21 x 8.5 x 15cm / 8.27 x 3.35 x 5.91inch - Age for 7+ Package Includes: 1 Set Table Balance Scale