Plastic pop-up sprinkler head with a solid brass insert nozzle. Brass flow-adjustment screw. Pops-up 1-3/4 inches. 1/2-inch FNPT (female pipe thread) inlet. Pop-Up Height: 1.75 In. Spray Pattern: Quarter Circle Spray Radius: 10 Ft. to 15 Ft. Inlet Type: 1/2 In. FNPT Material: Plastic