Item Name: Calibration Weight Material: Steel, Hard Chrome Plating Features: Good Hardness, Scratch-proof, Abrasion-resistant Error: -0.003 to +0.03g Specifications: It is a chrome-plated weight with a high hardness to make sure that it will not be damaged or rusted and is reusable. This weight has high precision and low error, allowing you to weigh, test and calibrate accurately. The calibration weight is made of high-quality steel and hard chrome plating material. The calibration weight is 105mm in length, 70mm in width and 43mm in height. This weight is suitable for general laboratory commercial, educational purposes, and digital pocket scales, jewelry carat scales, diamond scales, precision balance testing, dessert making and weighing. Size Details: Size: 10.5cm x 7cm x 4.3cm Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Plastic Storage Case 1 x Tweezer 1 x 100g Calibration Weight 1 x 50g Calibration Weight 2 x 20g Calibration Weight 1 x 10g Calibration Weight 1 x 5g Calibration Weight 2 x 2g Calibration Weight 1 x 1g Calibration Weight 1 x 500mg Calibration Weight 2 x 200mg Calibration Weight 1 x 100mg Calibration Weight 1 x 50mg Calibration Weight 2 x 20mg Calibration Weight 1 x 10mg Calibration Weight