Strong Neodymium magnets 6mm x 15mm Diameter: 6mm, Height:15mm, Set of 15 pcs, Cylinder shaped, Colour and Plating: Nickel (The original color may slightly vary from the shown picture) Temperature tolerance: 80 degree C WARNING AND SAFETY PRECAUTION - Do not bring a magnet near a person having pace maker or electrical medical device. - Magnets have strong power of attraction. - The brittle nature of the magnet can lead to flying chips if the magnets are allowed to impact each other or a solid surface. - Do not swallow or store in moist environment. - Magnetic properties drop when heated. - Do not place magnets near electronic devices and magnetic storage device like prepaid card, floppy disc, television, etc. - Larger magnets can become a pinching hazard if caution is not exercised. - Usage of protective gloves and eyewear while handling larger magnets is highly recommended.