A handy jig, designed to help build the perfect coil quickly and easily. It is ideal for users of RBA or RDA style atomisers such as the Subtank Mini. The Coil Master coiling jig is used for building coils, a certain level of user knowledge of coil building is required in order to use the device successfully. Each Coil Master set is supplied with a base and 5x coiling poles of different diameters (1.0, 1.5, 2.0, 2.5 and 3.0mm). Suitable for use with a wide range of wire gauges (it can handle wire as thick as 18-20AWG). Available in Black, Red or Blue. Please note that the Black and Blue kits are supplied in boxed packaging, the Red kits are supplied in plastic blister packs.