This listing is for (1). 1 Blade Set (11 Blades). 20″ Length 5/8″ Center Hole. Gator Mulch Fits: Toro Groundsmaster 580D. The color of the blades that you receive may differ from the color shown in the picture. Colors could include: BLACK, RED, GREEN. The free listing tool. The item “16′ Gator Mulch Lawnmower Blade Set (11) 5/8 CH Toro 580D Groundsmaster 69-6920″ is in sale since Wednesday, July 15, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories”. The seller is “theshelbymall” and is located in Crestline, Ohio. This item can be shipped worldwide.