SOLDER PRO BUTANE POWERED CORDLESS SOLDERING IRON Details Compact SOLDER PRO 50 Compact size - only 5.5” with tip Up to 30 minute run time Soldering temps 410F-750F The Standard SOLDER PRO 70 Standard size 7.5” with tip Up to 120 min. run time Soldering temps 410F 850F The Ultimate SOLDER PRO 120 Automatic ignition Soldering temps 480F 1000F Torch temps 2400F Up to 200 minute run time