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: 4pcs Material:Nichrome Wraps ID: 3.0mm Gauge: 3-26/36 5/4LP Resistance: 0.2ohm Vape Style: DTL Fit for: RDA Wattage Range:40-60W Package: Simple Packing