The Green QC 25 Degree Pressure Washing Nozzle is compatible with quick connects from most manufacturers. The Hardened stainless steel orifice offers superior wear resistance compared to standard case hardened nozzles. This nozzle is built with a stainless steel housing that is resistant to wear, most chemical and cracking. Laser marked for clarity and durability. These pressure washer nozzles are the ones to use when breaking the bond between the grime and surface is reasonably easy. This nozzle can also be used for removing leaves,dirt, or other substances off of flat surfaces. Great for mid level jobs.