Round Nozzle NQ 50 for WHA3000 The Round Nozzle NQ 50, an accessory for the Weller WHA3000 hot air station, is specifically designed for precise soldering and desoldering tasks. This nozzle uses hot air for a variety of applications, including SMD repairs, shrinking of tubing, and drying of paints and adhesives. It features a 4-sided heating that ensures even heat distribution. The station offers precise temperature control and an adjustable airflow, complemented by fast heating times and ergonomic design. Safety features such as overheating protection and automatic shut-off increase reliability during operation.