Specificaiton‎:‎ Shape‎:‎  Small Disc Round Cylinder Material‎:‎  NdFeB Grade‎:‎  N50 Plating‎:‎   Ni‎-Cu‎-Ni ‎(‎ Nickel ‎)‎ Color‎:‎  Silver Quantity‎:‎ 1pc Magnetic face diameter‎:‎ 25mm   Thickness‎:‎ 20 mm   Max Temp ‎(‎degrees C‎)‎‎:‎  80 Magnetized direction‎:‎ at both ends of the N S pole Applications： Acoustic field‎:‎ the speaker‎,‎ receiver‎,‎ microphone‎,‎ alarm‎,‎ stage audio‎,‎ car audio and so on‎.‎ Electronics‎:‎ permanent magnetic actuator vacuum circuit breakers‎,‎ magnetic relays‎,‎ meter‎,‎ meter‎,‎ sound meter‎,‎ a reed switch‎,‎ sensors‎.‎ Electrical field‎:‎ VCM‎,‎ CD / DVD‎-ROM‎,‎ generators‎,‎ motors‎,‎ servo motors‎,‎ micro‎-motors‎,‎ motors‎,‎ vibration motors‎.‎ Machinery and equipment‎:‎ magnetic separation‎,‎ magnetic crane‎,‎ magnetic machinery‎.‎ Healthcare‎:‎ MRI scanners‎,‎ medical equipment‎,‎ magnetic health products and so on‎.‎ Other industries‎:‎ magnetized Wax‎,‎ pipe descaling‎,‎ magnetic fixture‎,‎ automatic mahjong machine‎,‎ magnetic locks‎,‎ doors and windows magnetic‎,‎ magnetic luggage‎,‎ leather magnetic toys‎,‎ magnetic tools‎,‎ gifts and packaging‎.‎