The WELDCRAFT Alumina Nozzles 10N47 in size 7 come in 2 boxes of 10. These nozzles are designed for welding equipment, specifically for MIG, TIG, and stick welding. The brand, Weldcraft, ensures quality and durability in these accessories for welding. Ideal for professionals in CNC, metalworking, and manufacturing, these nozzles provide precise and efficient welding capabilities.