The pre-built coils for super-easy RBA/RDA/BORO building. Convenient when you're not in the mood for manually wrapping your own coils. Coilology prebuilt coils can eliminate the hassle with its machine-accurate fine work, Made with SANDVIK alloy for superior performance, offering remarkable flavor intensity and immense vapor production. Brand: Coilology Unit: 2pcs Gauge:2-28/10-.1*.3/40 Vape Style: DTL Fit for:RDA Wattage Range: 50-70w 2-28/10-.1*.3/40 5/4lp ID:3.0mm 0.14ohm Ni80 Package: Simple Packing