Raptor Blast 1/4in. Stainless Steel Quick Connect 0 Degree Nozzle 4.0Included: 0° Nozzle Features: 5000 PSI operating pressure 1/4" 316 Stainless Steel Insert Through hardened stainless steel orifices offer superior wear resistance Stainless Steel hose resists cracking and wear Resistant to most chemicals Laser Marked for clarity and durability Large color-coded on Quick Connect Nozzles permits rapid identification of spray angle 0 Degree - Blasting Removing caked on mud from heavy construction, farm or lawn equipment. Cleaning tar, glue or stubborn stains from concrete. Cleaning overhead areas. Removing rust from steel and oxidation from aluminum. Caution: The spray force from these nozzles can cause injuries if pointed directly at yourself or others. Before observing directly always disconnect from spray wand. Make sure spray nozzle is properly locked in place with its quick coupler, if the collar is not in the locking position, the nozzle will become a dangerous projectile. The O-ring from your quick coupler socket will also be blown out of place.