Finely Balanced Nickle Plated Steel Calibration Weights Set Are Ideal To Use For Mini Digital Scales. These Scale Weights Are Designed With High Precision And Have A Permissible Error Of +/-0.003G. With An Accuracy Tolerance Of +/- 5Mg, Thee Weight Offer Precise Measurements For Jewellery Or Accessories. We Provide Die-Cast Iron & Steel Metal Weights That Are Coated With Nickel-Plating For Long Lasting Use. The Coating Of Each Calibration Tools Guarantees A Rust-Free Quality With No Chance Of Early Oxidation So You Can Use It Even On Wet Areas. Convenient And Portable, These Are Ideal To Be Used Anywhere. The Test Weights Are Packed In A Container Box With Foam-Lined Cover To Keep The Weights Safe And Damage-Free. Suitable For Commercial, General Laboratory, And Educational Use. Quality Craftsmanship Provides You To Use This Calibration Weight Alone, Or Combine It With More Weights To Calibrate Accurately With Your Digital Weighing Scale. Perfect For Checking Digital Or Pocket Scale As Well As In Jewellery, Herbs, Gems, Pocket Scales, Kitchen Scales, Chemicals, Pharmacy Use, And Other Accessories. Care Instructions: To Ensure That The Scales Are Accurate, They Should Be Kept Clean, Batteries Need To Be Changed On Proper Interval Of Time. Each Kit Come In Various Quantity Selections: 500g set weight: 10g one + 20g two + 50g one + 100g two + 200g one = total 500g Delivery Quantity: 1set Product color: silver