SMOK TFV18 RBA Coil is a collaboration between SMOK and WOTOFO, it can easily customize your vaping and enhance the interaction with the TFV18 Tank. Using SMOK TFV18 RBA Coil, the popular TFV18 Sub-Ohm Tank can be instantly converted into a coil rebuildable atomizer. TFV18 RBA Coil has a postless build deck, featuring four closed terminals on the floor of the build deck. Side secured via Phillips screws, the TFV18 RBA can utilize two coils at the same time, doubling the amount of vapor output possible. The top cap can be unscrewed to reveal the post-less deck to place the wicking coil. You are able to use the mini screwdriver to tighten the coil and then add the cotton into it. TFV18 RBA comes with two pre-made dual Clapton Coil, brings outstanding flavor and massive vapor clouds. SMOK TFV18 RBA Coil is perfect for those looking for large vapor production and quality flavor while being able to DIY coil building to their liking.