The Heat Nozzle is compatible for 850A 852 852D 852D+ and air pumps type hot air soldering station These hot air nozzles are adopted of good steel , which is not easy to rust , stable and There are a total of 8pcs / set , include size : 3mm , 4mm , 5mm , 6mm , 7mm , 8mm , 10mm , 12mm With the screw which can the nozzle firmly , so effectively avoid hot air out from the gaps between the nozzle and the heat air outlet steel pipes Nozzle is used stainless steel materials , strong and , has a long service life, Manufacturer: Watreketal