Suitable Quality Adhesive Strips: 10pcs Powerful Neodymium Magnets with 10pcs extra strong adhesive strips from the famous 3M brand (model 468MP)! Best Coated: Planted with layers of Triple Plating (Nickel + Copper + Nickel) which is designed to be the excellent protection to keep the magnet from rust and provides a shiny. Widely Use: These rectangular Neodymium Bar Magnets Each piece of magnet holds more than 33 lbs of weight is widely used as refrigerator magnet, sign, note or picture holder, tool hanger, artwork and DIY craft material. Magnet Dimensions: 60 x 10 x 3mm; Tolerances: ± 0.2mm x ± 0.2mm.(WARNING: Neodymium magnet is fragile, pls do not hit it violently and keep away from little children.) Durable and Premium: Manufactured with state of the art science technology with ISO 9001 quality system.