Material: sintered ndfeb Grade: n45 Dimensions: 25 od x10 id x20 thick mm Tolerances: 0.05mm Plating/coating: ni-cu-ni (nickel) Magnetization direction: axial (poles on flat ends, through 20mm) Max operating temp: 176of (80oc) Application: industry magnet The rare earth permanent magnet is widely used in industrial fields as well as high-tech science and technology, which including electrical, automotive, instrumentation, medical, communications, mechanical and electrical, electronic and electro-acoustic, aerospace and other technology areas. Our company adheres to the "customer first, positive ahead¡¡à as our business philosophy, insists on the principle of" quality first "to provide high quality service for our clients. 1. To delivery by air or by express: anti-magnetic package (six sides iron sheets in the carton); 2. To ship by sea: normal hard paper carton and pallet; 3. To as per clients' special requirements.