Rain Bird 5004-PC 4 in. Pop-Up Adjustable Arc Rotor (Pack of 4) The Rain Bird 5000 Series Rotor is designed to deliver superior water distribution and larger water droplets, eliminating tough dry spots. The 5000 Series Rotor is a rugged mid-range gear-drive rotary sprinkler, offering durability, great performance, and the convenience of arc adjustment from the top. This versatile rotor offers a standard rubber cover and the convenience of reversing full-and part-circle operation (up to 360 degrees) in one unit. And, with a tree of Rain Curtain nozzles, the 5000 Series Rotor offers excellent distribution for top-notch efficiency. All of this and a proven gear-driven design, is what makes the 5000 Series Rotor one head that will "Take Performance to the Top." Features / Benefits Includes: 1 complete set of standard nozzles per rotor 1 Set of Instructions (1 per shipment) Adjustment tool not included since standard flat-head screwdriver is sufficient The 5000 Series Rotor Sprinkler is available in 4", 6", 12" and Shrub models. Standard Rubber Cover for extra protection and easy identification. Heavy-duty cover assembly for extra durability in residential and commercial applications. Enhanced Rain Curtain Nozzles - Increased radius range with less flow per nozzle - New Micro-Ramps for superior close-in watering - Nozzle Extraction Feature for easy rotor maintenance Heavy-duty retractable spring assures positive pop-down Tree of nozzles including low angle (Angle of trajectory 10 degrees) and standard angle Rain Curtain nozzles (Angle of trajectory 25 degrees) provides 25 to 50 ft (7 to 15,2 M) distance of throw. Top-adjust arc adjustment requiring only a flat-bladed screwdriver Water-lubricated gear-drive design for durable, reliable operation 40- 360 degrees Arc Rotation for reversing Full-and Part-Circle rotation in one. (A non-reversing full circle only unit is also available). Radius adjustment scr