1、APPLICABLE MODEL: This nozzle kit is suitable for 850 852D 952D 909D 853D 862D and 853AAA nozzles with 850 and 852D series, for Aoyue 906, 968, 850, 6028 etc. 2、MULTIPLE SIZES: Including 8pcs hot air gun nozzles of different specifications, suitable for different welding situations, with strong practicability. 3、LOCKING DESIGN: With locking screw to lock the nozzle firmly, effectively prevent the hot air from flowing out of the gap between the nozzle and the air outlet pipe. 4、ZINC ALLOY: These nozzles are made of excellent zinc alloy, which is corrosion and wear resistant, with stable performance and long service life. 5、FOR REPAIRS: These hot air gun nozzles are a common tool for soldering station repairs, widely used in metal welding projects, electronics repairs, etc.