Alnico Deep Pot Magnet With Internal Thread 1.Dimensions: Dia from 9.5 mm to 65 mm 2.Materials: Alnico 5 / Alnico 8 3.Plating/Coating: Red painted 4.Magnetization direction: Axial magnetized 5.Max operating temp.: 525 degrees celsius They are ideal for gripping,lifting,holding,fixing applications.