This air nozzle can easily be connected to the quick connect on a standard BCD hose. A great addition to your save-a-dive kit for blow-drying your equipment after use or for inflating buoys and other beach toys. The tools works by bending the tip to initiate air flow. This tool can also be used on the workbench for drying parts or components after cleaning. Some manufacturers also recommend the use of a air gun to remove the diaphragms out of first stages or to remove HP seats. PLUS it has the Tyre Inflator attachment.