Ariens 6PK Genuine OEM Gravely 04771200 52 Zero Turn Lawn Mower Blades. Pack of 6 Blades-OEM Part Number: 04771200. Fits Ariens Models With 52 Deck: IKON X, IKON XL. Fits Gravely Models With 52 Deck: ZT X, ZT XL. Blade Specs: Length: 18.00″ – Width: 2.25″ – 30 Degree. Please note these blades are specifically designed for the models listed and will not work on other zero turn mowers. Ariens Blade Part Number: 04771200 Substitutes/Replacement for: 04771200 Blade Specs: Length – 18.00″Width – 2.25″30 Degree. Any product you return must be in the same condition you received it and in the original packaging. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.