Smoktech TFV8 Baby CoilsQ2 Dual Core· Dual Coil Design· 0.4ohm rated for 40-80W / recommended 55-65W· 0.6ohm rated for 20-50W / recommended 30-40W M2 Dual Core· Dual Coil Design· Compatible with 3.7V Mechanical Mod· 0.15ohm rated for 25-45W / recommended 35W· 0.25ohm rated for 25-45W / recommended 35W X4 Quadruple Core· Quad Coil Design · 0.15ohm rated for 30-70W / recommended 45-60W T6 Sextuple Core· Sextuple Coil Design· 0.2ohm rated 40-130W / recommended 70-90W T8 Octuple Core· Octuple Coil Design· 0.15ohm rated for 50-110W / recommended 60-80W T12 Duodecuple Core· Duodecuple Core· 0.15ohm rated for 50-90W / recommended 60-80W T12 Duodecuple Core - Light-Up Series· Duodecuple Core· LED Lights - Red, Green, Orange· 0.15ohm rated for 50-90W / recommended 60-80W Mesh· Mesh Core - Faster Heating Process· 0.15ohm rated for 40-80W / recommended 60-70W RBA Head· Two-Post Design - 0.3ohm Clapton· Fe-Cr and Nickel-Nichromium Heating Material· Includes TFV8 Baby Beast RBA Glass Tube, Screwdriver, and Spare Parts