This 5-piece nozzle kit from Everlast Power Products is designed for the ES-12 model and features an M16 thread diameter and a 38 mm height. Crafted from copper, the nozzles are built for long service life and support wire guiding for 0.8 mm (.030"), 0.9 mm (.035"), and 1.2 mm (.045") wire diameters. The kit accommodates flat and outside corner applications, making it a practical set for welding work that calls for varied nozzle configurations.