Features: 1.Designed for Hot Air Desoldering Station: These heat gun nozzles are designed for 850, 850A, 852, 852D, 852D+ and air pump type hot air soldering station can be used universally 2.45 Degree Curved: Each hot air gun tip is 45 degree curved, which can be used universally, ideal for repair and replacement. 3.Locking Screw: Each heat gun mouth tip is designed with locking screw to lock the air nozzle, which can effectively avoid the outflow of hot air from the gap between the air nozzle and the steel pipe of the air outlet of the hot air gun. 4.Aluminium Alloy: These small hot air gun tips are made of strong and durable aluminium alloy material, high accuracy and exquisite workmanship ensure long service life. 5.7 Pieces: You will receive 7 pieces of heat gun mouth tips of different sizes, nice solution for re outfitting your hot air re flow station. specification:Item Type: Heat Gun Nozzles Material: Aluminium Alloy PackageList:7 x HeatGunNozzles