Available in four resistances,

- 0.14 Ohm SS316L Meshed are best for TCR mode, between 50-60 watts. - 0.2 Ohm Meshed rated for use between 50-60 watts. - 0.25 Ohm uses a claptionised A1 coil rated for use between 40-50 watts. - 0.4 Ohm uses a claptionised A1 coil rated for use between 45-55 watts.