Silicon steel C-core and clip with a range of coils for use as inductors and transformers. The current ratings are based on 150A per square cm. The coils will run hot but will not be damaged by short-term currents of up to twice the stated value.No. of Turns: 60 + 60Air-core: 350mHWire: 1.22mmMax Current: 1.81AAlternative Transformer Coils are also available to purchase separately:B8H26448 - 5000 + 250 TurnsB8H26459 - 500 + 125 TurnsB8H26461 - 1200 + 1200 TurnsB8H26473 - 120 + 120 Turns