Product Description: Fitment: Compatible with Craftsman: T3200, TT440, Z5800, Z7600 54 Inch; Compatible with Cub Cadet: Enduro XT1-GT54 Fab, XT1-ST54 Fab, Ultima ZT1-54 Fab, ZT1-54P Fab, ZT2-54 Fab, ZTS2-54 Fab with 54-Inch Decks; Compatible with MTD: ZT1-54 KH Fab 2022 Ultima ZT1; Compatible with Troy-Bilt: Mustang 54 XP 2022, Mustang Z54 2022; Super Bronco 54 XP, Super Bronco 54 K XP; Replace OEM Numbers:742P05086, 742-05086, 490-110-C194, 490-110-Y194, CMXGZAM110194, 810-CBL2720D, C-BLD-0508 Dimension: Length: 18-9/16 in (471 mm) Width: 3-3/8 in (86 mm) Thickness: 0.129 in Center Hole: Diamond -7/8 in Warm Tips: It is secured under the deck to cut the grass. Over time, the blade may become dull or damaged, causing irregular cutting patterns. Inspect your blades periodically and replace them as needed to maintain a clean cut lawn.