500 Gram Mechanical Table Balance Scale with 7 Weights for Teaching Tool laboratory Equipment Supplies

Description: 100% brand new and with high quality 500 gram table balance scale set comes with 7 weights: 10g, 2x20g, 50g, 2x100g, 1x200g 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 school teaching tool- help kids learn the balance principle and how to use it; also for lab equipment Material: Metal + Plastic Color: As pictures shown Size Chart: Scale (L x W x H): Approx 25 x 7 x 17cm/9.84 x 2.76 x 6.69inch Package Includes: 1 Table Balance Scale Set Note: Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon