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 Gauge: 8-.1*.3/36 5/4lp ID:3.0mm 0.32ohm 8-.1*.3/40 5/4lp ID:3.0mm 0.32ohm Vape Style: DTL/RDL Fit for: RDA/RTA Material:Nichrome Package: Simple Packing