Halcyon T. Premium 1, 1.5, 2, 2.5, and 3mm Wire Coil Winder/Jig Micro coiler that creates perfectly tight and uniform coils. Creates 1mm, 1.5mm, 2mm, 2.5mm, and 3mm coils. Extremely easy to use: three simple steps creates coils in seconds. Size measurements (mm) etched onto jigs for convenience. Contents: Halcyon T.&#153; Coil Winder/Jig Set, mini screwdriver, and user manual.