The Yellow QC 15 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 referred to as chiseling tips. Held at a 45 degree angle you can use it like a scraper to remove peeling paint or mildew. This is great nozzle for the tough tasks and hard to remove layers.