Coily Tool  - Assorted Colors The ORIGINAL Coil Cutting Template. Coil leads pre-cut with precision, every time. This simple yet ingenious device was designed and created in the UK for the vaper who craves perfection with coils. Using the Coily is simplicity itself, the Coily will measure the width of the deck posts then simply place the coils in the corresponding holes and snip to the desired length. No more short leads/ruined coils ever again!