Soldering set gas soldering iron independent 75 basic gas soldering set power 15 75 w max temperature 500 c operating time 60 min 1 gas filling standard content soldering tips 0g072kn 0g072cn soldering technique hard soldering max temperature c 500 c power 75 watt warm up time 46 s soldering tip diameter 24 mm soldering bit nickel plated 24 mm power supply gas cartridge weight 027 kg