Flexus Blok Kit. Flexus Stick Kit. Flexus Q Kit. Flexus Q Pod Kit. Flexus Blok Pod Kit. They are much easier to change than traditional screw-in coils. Aspire AF Coils. The AF 0.6Ω Coil will fire between 15-18W and the 1.0Ω Coil will fire at 12-15W.