Brass Tube Production Range : ? 2.0 mm ~ 30 mm Thickness : 0.225mm~1.00mm Copper Tube (99.99%)Production Range : ? 15.8 mm~20.00 mm Thickness : 0.7mm~1.00mm Standart : JIS C2700 Antenna Cellular and cordless telephones, Wireless Lan Antenna, Yagi Antenna, TVs, Radios, Cars Antenna