Description: Shape: Countersunk Round Tolerance:+-0.1mm Material: NdFeB permanent Magnets Grade:N35 Max Operating Temperature: 80 Celsius degree / 176 Fahrenheit degree Magnetization Direction: Axial Plating: Nickel+Coppers+Nickel triple layer plated Quantity: 5-100pcs (optional) Package list: according to your choice Notice: 1. The large neodymium magnets are extremely strong, and must be handled with care to avoid personal injury and damage to the magnets. Fingers and other body parts can get severely pinched between two attracting magnets. It is easy broken,please be careful. 2. Never place neodymium magnets near electronics 3. Neodymium magnets are brittle, and can peel, crack or shatter if allowed to slam together. 4. Neodymium magnets will lose their magnetic properties if heated above 80C/176F. Satisfaction Guarantee Our first priority is to provede you with an easy,pleasant,and anxiety-free shopping experience we try our best to give a clear,candid,and complete description of our products and their conditions we are always ready to help if you have questions or encounter a problem ,but if for any reason you are not satisfied with a product or service please do not hesitate to contact us It is very impottant to us that you have a positive & 5 star transaction with us. please contact us promptly before you leave us negative feedback.we weill try our best to resolve you problem. If I am not online,please leave your message,we will reply you once we log in.we reply every message except we have not get your message. Refund we accept refund if product not as decribed If the goods are damaged.Please provide photos.We can give you a full refund.Or send you a new item If the product is lost. Or the wrong number. If we make a mistake. We accept partial refund compensation Services After receiving the payment. We will send the goods within 12 hours _x005F_x000D_