These are the coils for the Smok TFV4 Tank. Made using 100% Organic Cotton.TF-T3: New Patent Sub-Ohm Atomizer Triple Coil: 0.2ohm (40W-130W) With 3 separate coils.TF-Q4: New Patent Sub-Ohm Atomizer Quadruple Coil: 0.15ohm (40W-140W) With 4 coils in parallel style.Include: pack of 5 TFV4 Coils..