Super Antenna MS135 SuperWire Stealth Bulk 135 feet Wire #18 Stranded ham Radio Amateur PTFE THIS IS: The model MS135 SuperWire by Super Antenna. Designed for ham radio portable antennas, ground radials, SDR, and SWL. LENGTH: 135 feet (41 meters long) , Bulk roll hank of wire without spool. Excellent for crimping or soldering. CONDUCTOR: Wire #18 AWG (1.1 mm) diameter, multi-strand, tinned Copper. Conductor diameter 0.0433" (1.1mm) . Outer jacket diameter 0.06" (1.5mm) . RF POWER: Maximum 500 Watts SSB 300 Watts CW/DATA. MATERIALS: Outer jacket tough PTFE insulation. COLOR: Black matte Stealth anti-reflective, Low-Viz (Low Visibility). Waterproof. Weatherproof. UV-resistant. HANDLING: Highly flexible and slippery outer jacket surface tangle resistant in the field for portable use. SuperWire by Super Antenna is excellent for making your own portable antennas and radial sets. WEIGHT: Total 12 ounces.