NOZZLE ROUND 1/2 HOSE INSIDE DIA. PK4 05.in HOLE DIA, MATERIAL Acetal Copolymer , Max Pressure (PSI) 475 PSI. ORANGE, 170 Degrees F, TEMPERATURE RATING. Compatible Lubricants; Acetone. Alcohol. Dish Detergents, Ethyl. Gasoline, Grease, Lacquer Solvents, Oils, Sodium Hydroxide