Prince Triple Mesh Coil Design :· 0.15ohm· Rated for 60-100W / Recommended 80-90W Prince Dual Mesh Coil Design :· 0.2ohm· Rated for 50-80W / Recommended 65-75W Prince Max Mesh Coil Design :· 0.17ohm· Rated for 70-130W / Recommended 100-120W Prince Mesh Coil Design :· 0.15ohm· Rated for 40-80W / Recommended 60-70W Prince Strip Coil Design :· 0.15ohm· Rated for 40-100W / Recommended 80-100W Prince X2 Clapton Dual Coil Design :· 0.4ohm· Rated for 40-80W / Recommended 60-70W Prince-T10 Decuple Coil Design :· 0.11ohm· Rated for 60-120W / Recommended 80-110W Prince-X6 Sextuple Coil Design :· 0.15ohm· Rated for 50-120W / Recommended 80-100W Prince-Q4 Quadruple Coil Design :· 0.4ohm· Rated for 40-100W / Recommended 60-80W Prince-M4 Quadruple Coil Design :· 0.17ohm· Rated for 30-70W / Recommended 45-55W Prince-RBA Rebuildable Head :· Two-Post, Dual Terminals Design· Dual Coil Configurations· 0.25ohm Dual Coils