16 1/2 16 1/4 17 Inch 18 1/2 18 Inch 19 Mulching 20 1/2 20 Inch Blade 21 Blade 21 Inch 3/4 Center Hole 6 Point Star 60 Inch Deck 942 04053c Ariens Big Dog Center Hole 3/8 Craftsman Cub Cadet Ferris Hi Lift Blade High Lift Husqvarna Hustler John Deere John Deere M143520 Kubota Left Hand Left Hand Cut Scag Stens Toro Toro Wheel Horse Wheel Horse