MTM Hydro's Deluxe Nozzle Holder with Black Boot protects your nozzle from scratching your cleaning surface while also limiting over spray. Once mounted on your lance, unscrew boot for access to 1/4" nozzle holding threads. 1/4" threaded nozzle must be purchased separately. This item is not meant to have a QC plug installed at the inlet. SPECIFICATIONS: 1/4"F Inlet x 1/4"F Outlet, Max - 3,600 PSI, Max - 300° F