DescriptionSave time from wrapping coils. Easy to install, fit and wick, great clouds, flavour and vapour.These coils are high resistivity, good oxidation resistance, heat-resisting and long lasting.Features- Color: As shown. - Material: Nickle. - Size: 5.5 x 5.5 x 2 cm. - Comes in a small storage box, not only keep the coils great organized, also portable for travel and reusable. - Pre-built coils perfect for RDA, RBA, RDTA, RF Transmitters / Receivers, FM Radios, use as resistor in DIY electronics and craft wire projects. - Made of iron/chrome aluminum alloy, free nicotine, stable, and healthy prebuilt coils. - High melting temperature, 3mm premade coil set, very easy to use and durable.