[Material]: Crafted from steel with a chrome-plated finish for enhanced durability and rust resistance. [Size and Accuracy]: 500g weight with a class of M2 and a tolerance of ±80mg, ensuring accurate measurements. [Convenient Design]: Features a flat top and bottom for stable stacking and storage, with a mirror-polished surface for smoothness and corrosion resistance. [Versatile Application]: Ideal for use in a variety of settings, including laboratories, factories, supermarkets, and kitchens. [Care Instructions]: Easily maintained with tweezers handling and medical alcohol cleaning; includes a storage case for longevity. Made of robust steel with a chrome-plated finish, this weight resists rust and ensures long-lasting performance. Whether you're weighing in a lab, factory, supermarket, or your own kitchen, this tool is the perfect choice for a variety of applications. Attention to detail is evident in its construction, with a mirror-polished surface that not only looks sleek but also offers smoothness and corrosion resistance. For your convenience, it comes with a protective plastic storage case to prevent scratches and damage. The weight's flat surfaces allow for easy stacking, making it a practical addition to any setting. Remember to handle with care, using tweezers to preserve its life, and clean with medical alcohol for optimal maintenance. Enhance your weighing tasks with this indispensable calibration weight.