Rainbird Plastic Variable Arc Nozzle with Screen, 6' 6 ft. variable arc spray nozzle - Easy arc adjustment from 0 Degree to 330 Degree The textured base and collar are easy to grip, even when wet A physical left edge indicator makes it easier to feel the fixed left edge No special tools required; a small twist of the center collar increases or decreases arc setting Stainless steel adjustment screw to adjust flow and radius - "Captured" screw slot prevents screwdriver slippage during adjustment