N50 Magnet Block Neodymium Iron Boron Hole 4mm Rectangle Rare Earth NIB NEO 10pc10pcs N50 Block Neodymium Magnets 20x10x5mm Hole 4mm A neodymium magnet (also known as NdFeB, NIB or Neo magnet), It is a rare earth metal and forms one of the Lanthanides series. Usually coated Nickel plating to prevent the iron from rusting. specification: measurements units: mm / inchShape: BlockGrade : N50Pole N/S : AxiallyPlating: Ni-Cu-Ni ( Nickel )Operating temperature: 80 CMaterial: NdFeB Color: SilverSize : Magnetic face: L: 20mm / 25/32 inchW: 10mm / 25/64 inchThickness: 5mm /13/64 inchHole 4mm / 5/32 inch Note: Be careful fragile and clip hand, placed in a dry place, stored at room temperature!WARNING: We would not recommend this magnet be used by children under 5 without supervision! Package Included: 10pcs x N50 Magnet Block Neodymium Iron Boron Hole 4mm Rectangle Rare Earth NIB NEO Check out our other items! Check out our Hown Store Click here, Subscribe to this seller's newsletter, and you'll also follow them for featured items and special offers Shipping Policies:We ship to the Lower 48 States only (Does NOT include Hawaii or Alaska)We cannot ship to PO Boxes/APO'sWe cannot combine shipping.No Local Pickup. All items will be shipped directly to you from our warehouses within 1-3 business days. Most items are delivered within 3-5 business days, however, please allow 3-9 business days. All items are in stock when they are listed. Inventory is tracked and updated regularly. However, if demand exceeds our supply, we will give the customer the following options: Full refund. Have the item back ordered and shipped when it becomes available. We will offer other items in similar style and quality. Your buy / purchase of the item implies you agree to this policy. If you have a question about a product not otherwise answered in the item description, please contact us via eCRATER messages first and allow us the opportunity to help you and be sure we have what you're looking for. Exchange/Return Policy:Your satisfaction is guaranteed! If for any reason you are unhappy with your item, just return it within 30 days for a full refund, minus shipping cost. Please contact us prior to initiating a return so that we can issue you a refund authorization.We accept returns under the condition that it does not open the packaging has not been damaged merchandise.We have money back warranty program and after sale service.Payment PolicyWe require Immediate Payment. Must be an authorized address.