Element Specimen Cobalt Co 1 5 (coin, Inch, Pieces)

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- [Product Overview] A coin-shaped specimen with 99.9% purity, approximately 25 mm in diameter, and 2 mm in thickness (500 yen coin size). This product is a set of 5 pieces. [Identification] (Front) [Atomic number, element symbol, English name, number of electrons], (Back) [Purity, electron orbit, atomic weight] [Appearance and Features] It has a silvery white metallic luster. [Storage and Handling] Relatively stable in air and almost never corroded. [Others] Comes with a special glass case. Elemental specimen for collection and ornamental use. Since it is a stable element, it basically never rusts. There are individual differences in the appearance of the product. We conduct a visual inspection of each item and only sell good quality items, but if by any chance you are not satisfied, please return the item. We will respond according to Amazon's return policy.