Many Benefits of Overseeding: Fill in bare spots, improve density and color of turf and establish improved grass varieties. ; Reduce the amount of fertilizer, water and pesticides required. ; Easy Selection, Precise Control - Heavy-duty snap out reels with 2" spacing and depth control for the results you expect. ; Seed Flow Control - Adjustable overseeder for proper turf seed flow; Clear seed tubes allow operator to check seed flow; Seed flow automatically stops when reel is raised. ; Increased Productivity - Increase productivity by dethatching and overseeding at the same time; 2" seed spacing allows 1-pass seed application.