5mm,8mm,10mm 857 Series Hot Air Gun Nozzle Set of 45-degree angle , commonly Used in Mobile and Electronics Repair. Purpose: Directs hot air at a 45-degree angle, ideal for precision work under a microscope. Compatibility: Designed for Quick 857 hot air stations and compatible with other models like Quick,SUGON ,MECHANIC Sizes: Available in 5mm, 8mm, and 10mm diameters to suit different component sizes. Material: Made of stainless steel for durability and heat resistance. Function: Facilitates efficient and precise heating for soldering and desoldering, especially in tight spaces.