Size Models: Airless machine nozzle kits are available in different models with different aperture sizes and ranges. 109, 211, 315, 417, 515, 517, 623 corresponding to nozzle diameters from 0.009 inch to 0.023 inch and ranges from 2 inch to 12 inch . You can choose the right airless nozzle according to your own use needs High Pressure Airless Tips Set: You receive 7 pcs paint sprayer tips, 109, 211, 315, 417, 515, 517, 623 and 2 pcs tip guards. Please select a tip nozzle guard model that is compatible with the tip Spraying Effect: When the pressure is high, the spraying effect and spraying pattern of high-pressure nozzle is stable, the paint can be fully atomized, and the sprayed of the wall can be even, fine and non-layered. Can effectively save paint and time High Efficiency Airless Tip: High pressure tip nozzles reduce overspray by up to 55% and have twice the nozzle life of a standard reversible tip. Turn the nozzle backwards to quickly clear the tip blockage Widely Uses: The airless sprayer nozzles set can be widely used for spraying commercial buildings, home decorations and more, suitable for fences, garages, door walls, decks and many other indoor or outdoor places, Weight: 0.95460159446 Pounds, Manufacturer: NONDK