Educational Games -500 Gram Bench Scale with Weight for Lab Tools Highlights Generic Brand 500 Gram Bench Scale with Weight for Lab Tool Description: 100% brand new and high quality 500 Gram Bench Scale with Weight for Lab Tools supplied with 7 weights: 10g, 2x20g, 50g, 2x100g, 1x200g Before use, remove the black black buckle under the scale pan, zero the index and set the indicator to the middle line - you can also balance the scale by adjusting the scale nut on both sides. Used as a teaching tool in school - help children learn the principle of the scale and its use; 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 scale scale set Note: Note: The size for manual measurement, there may be 0-1cm error, belongs to the normal phenomenon.