Features Electromechanical type eddy current based. Superior ALNICO Magnet (Temperature compensation Ring) Zinc alloy die cast spindle. Standard range Casing Size 60 80 85 100 108 111 MM End Fitment M10X1.0 and M12X1.0 M 16 X 1.0 and M18X1.5 58X18 UNF Hour meter 0-9999.9 Hour Blub Optional Ratio As required