Gas soldering iron independent 75 basic gas soldering set power 15 75 w max temperature 580 c operating time 60 min 1 gas filling standard content soldering tips 0g072kn 0g072cn 0g072an 0g072vn 0g072be 0g072he 0g072mn 0g072re soldering technique hard soldering max temperature c 580 c power 75 watt power supply mains operation weight 007 kg