SUITABLE FOR:Compatible for 850 850A 852 852D 852D+ and air pump type hot air soldering station. SUITABLE FOR:Compatible for 850 850A 852 852D 852D+ and air pump type hot air soldering station. PRACTICALITY: With the lock screw which can lock the nozzle firmly, so effectively avoid hot air out from the gap between the nozzle and the heat gun air outlet steel pipe. SIZE: 10pcs/set, include size:3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 10x10mm, 12x12mm. WIDE APPLICATION: It is suitable for many kinds of hot air soldering station, exquisite workmanship, with long service life. HIGH QUALITY: These nozzles are adopted of good quality steel, not easy to rust. The body is tough and rustproof, easy to clean and works well.