Bekith 2 Pack 1kg Calibration Weight with Storage Case, 1000 Gram Calibration Weight for Digital Scale, M1 Class High Precision Scale Weights for Laboratory, Factory, Supermarket

["1000 Gram Weight: This set includes two 1000-gram calibration weights, providing reliable and consistent reference standards for your scales.","M1 Class Precision: Manufactured to stringent M1 Class tolerance standards, ensuring high-precision accuracy in all your measurement tasks.","Durable Steel Construction: Made from solid steel with a polished chrome finish, offering excellent durability and resistance to rust and corrosion.","Versatile Use: Ideal for use in laboratories, manufacturing, commercial settings, physics education, and more. Both the top and bottom of each weight are precisely machined flat, allowing them to stand upright and stable on your scale pan.","Convenient to Use & Store: Features a compact, smooth design for easy handling and cleaning. Includes a protective storage case to keep your weights organized and in good condition."]