Powerful Neodymium Magnets, 18 Pack Super Strong Waterproof Neodymium Bar Magnets, Strong Permanent Rare Earth Magnets for Fridge, DIY, Building, Scientific, Craft, and Office Magnets, 15x15x3mm

【Three Layers Magnets Coated】Neodymium Bar Magnets is Coated with Three Layers of Ni+Cu+Ni,So They Provides a Shiny and Rust Resistant Protection for the Magnets., 【Super Strong Magnet】It is Made of Strongest Magnetic Material. Strong holding power, Holding Power is not less than 18lbs per Magnet with Direct Touch and Direct Pull., 【Magnets Dimensions】The Size of Heavy Duty Magnets: 15mm x15mm x3mm , Tolerances: ±0.05mm., 【Widely Application】Waterproof Neodymium bar magnets can be Applied to Refrigerator Magnets, Kitchen, Shower door, Office, Scientific Experiment, Arts and Crafts, office supplies, factory production sites, warehouses, educational activities, etc., 【Warm Tips】The Bar Magnet is Very Fragile, It is Forbidden to Collide with Other Metal Objects (Including Another Magnets), So Be Careful when You are Trying Separte Them.ortant.