The Forney 75153 15° by 4.5mm Quick Connect Chiseling Nozzle, Yellow, is a chiseling nozzle. The spray should be directed at a 45° angle to the surface and be used like a scraper to remove paint, grease and dirt. Several uses include: surface preparation (removing peeling paint and mildew stains), cleaning gutters and downspouts and bugs from trucks. It can be connected to all of the most common pressure washer equipment in the industry. It is ideal for quick exchange of spray nozzle and spray guns. Forney Industries is one of America"s longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. If you"ve got metal working questions, we"ve got answers. We"re committed to your success regardless of location size or needs. This nozzle is designed for a 1/4" (6.35mm) quick coupler. It is rated at 300° F (148.9° C) and 4,000 PSI. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.