Coil Master K Bag. If you are going to be rebuilding coils, odds are you aren’t going to be doing it with your bare hands. You’re going to need some basic tools, flush cutters, ceramic tweezers and a couple of screwdrivers at the very least. Well, Coil Master have this handy little kit out that contains all of the tools you might require for your coil building adventures. Now available with free UK shipping from Vape and Juice.