COMES WITH A STORAGE CONTAINER: The set comes in a plastic container with a foam-lined lid to keep the product safe and damage-free. it is convenient to carry and store with saving space; It's easy to find these components quicklySTAINLESS STEEL CALIBRATION WEIGHTS: Made of high quality carbon steel for durability and chrome finish for a sleek appearance. Compact design for easy and convenient access. This heavy duty steel gauge construction is durable and will not rust for long lasting usePORTABLE WEIGHING SCALE: These pocket sized weights are convenient and portable to allow the user to take everything with them. Features a compact design that firmly secures and protects the calibration weight and makes storage easyWIDE APPLICATION: Ideal for commercial, industrial, laboratory or educational calibrations to ensure the most consistent weight readings on many digital scales. Also professional used for jewelry, herbal, gemstone, laboratory, home, commercial or educational purposes for consistent weight readingACCURACY SCALES ACCURACY: Accuracy is the most important quality for scales. There are therefore methods for testing and calibrating weighing equipment. This is a Nickle Plated precision calibration set for most precision precision balances for your personal and professional use.Size: as shownColor: silver Quantity shipped: 2lucky meetNote: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be some difference of color, the actual object received shall prevail.