This is E-XY NI80 (Nichrome 80) Double-Core Fused Clapton Coil High Density Heating Wire For RDA RTA Atomizer Heating Wire DIY Building, the length is 15 Feet (5 Meters), 5M/Roll. Model: Double-Core Fused Clapton Material: NI80 Gauge: 2*28GA+36GA Name: Resistance Wire