You are capable of using Vapefly Mini Tool Kit to build coils of Vapefly rebuildable tanks. The Vapefly Mini Tool Kit is perfectly for DIY fans. It comes with various e-cig building and wicking tools to meet your different needs. It will be a good helper for your RBAs.
Size: 141 x 70 x 25mm Coil rods with three size: Φ2.5mm/Φ3.0mm/Φ3.5mm