Price: [price_with_discount] 1 Pcs Magnet N52 40X20 50X20 50×30 mm Round Strong Search Magnet Neodymium Magnet Rare Earth N35 powerful permanent 50*30 Size:50X30 50X20 40X20 Shape:Round Material:NdFeB Grade:N52 Max Working Temperature:80°C/176°F Tolerance:±3mm Plating:Nickel + Copper + Nickel Triple Layer Plated NOTICE 1. The magnet is not iron. The raw material is rare earth neodymium iron boron. It is fragile and cannot be bumped. Because it has suction, it will be sucked up when it is not noticed, and it may be broken. So please be careful to avoid slam together. 2. Never place neodymium magnets near electronics 3. Neodymium magnets will lose their magnetic properties if heated above 80°C/176°F. 4.Magnet should keep away from kids, If magnet damaged please dispose of shards completely. They are still magnetized and will cause serious problem if swallowed by children. FEEDBACK If you have some problem with the color,size,quality or other problem,please contact us freely before you give us a neutral/negative feedback. We will leave POSITIVE FEEDBACK as soon as the AliExpress allow us to leave feedback. We warmly like to give you satisfy solution. If you love our item,warmly expected your five stars feedback. We will work harder to give you a satisfy service. Since your feedback is very important for us,we sincerely invite you to leave positive feedback for us,thank you very much. ABOUT US We are Mainly produce the manufacturing of the mid and high-end NbFeB permanent magnets and the Research&Development of the NdFeB magnetic matrial. We have been working on magnetic materials for more than ten years,we are professional online retailer in china too. We keep more than one million pieces magnets in different sizes in stock. Most orders could be arranged in 24-48 hours.(Except holidays) Customization is accepted,but it will cost more for less quantity. For any information please contact us any time.We will reply ASAP.