Solid State Switch Sensor Magnet, Cylindrical ShapeProduct Details:Magnetic Material: Alnico VIIIGauss Strength: 1050 G at 0.01″It is suitable for use with Honeywell 2SS, 103SR, SR16 and SR17 series solid state sensors.Switch Replacement Magnet with 8 x 32 threaded shaft for easy installation. Nut not suppliedDimensions: 0.67 Inch L x 0.31 Inch Diameter (See Image 2)MG Series Cylindrical Solid State Sensor MagnetHoneywell102MG11