1.Alnico Cylinder magnet 2.Grade: 2,3,5,6,8,9 etc. 3.Good chemistry stability, strong anti-corrosion 1. Name: Alnico Cylinder with groove magnet for meter2. Characteristics: Compact crystal, high intensity, good chemistry stability, stong anti-corrosion, even elements, exceelent and magnetic performance, excellent temperature stability, highest usage temperature reach 500 degree.3. Quality ...