TGK-700A hot air welding gun 1.CE Certificate 2.temperature 50~550C. 3 ... Min TGK-700A hot air welding gun Features:1, Cold/hot air,2, Adjustable temperature.3, Long life service4, Packing: Carton ... top trapping, plastic's recycling and repairing, integrated circuit welding, overhaul processing and other application of electronic and chemical ... accessory: 1pc of heater TGK-700A hot air welding gun