Firepower® OxyFuel 250-350 Size# 1-W Acetylene Welding Nozzle, 3/32" Used for Fusion Welding, Braze Welding, Brazing and Soldering of Thin Steel and Other Weldable Materials. "W" Nozzle Fits 7/8" Thread OxyFuel 250 - 350 Hanlde. Concentrated High Temperature Flame With a Wide Range of Differnt Applications. Connects Directly to the OxyFuel Handle Platform.