Nelson Turbo-Heart 18-Jet Oscillating Sprinkler with 3,250 Square-Foot Coverage 50915 Turbo-heart drive ensures even and consistent distribution of water Coverage up to 3,250ft2 Aluminum spray tube 18 precision spray jets Rezimar base Rectangular spray pattern up to 3,250 sq.-foot 1lb. weight for stability Impact-resistant plastic base with metal stabilizers Curved aluminum spray tube with 18 precision jets