Features Includes 3 blades for many 54 in. cut MTD, Cub Cadet, Troy-Bilt mowers Replaces OEM #'s 742-3013, 759-3820, 759-3841, Windsor 50-2336 Each blade measures 18-1/2 in. L and 3 in. W 3/4 in. center hole diameter Manufactured to meet or exceed all OEM specifications All MaxPower blades are sharpened during the manufacturing process and then powder coated for your protection. This coating will come off during the first cut to reveal a precision sharpened blade. Product DescriptionMaxPower's 561549B includes 3 blades for many 54 in. cut MTD, Cub Cadet and Troy-Bilt mowers. These blades replace OEM # 742-3820. Each blades measures 18-1/2 in. L and 3 in. W and features a 3/4 in. center hole diameter. Check your owner's manual to verify that the OEM number of the blade being replaced matches one of the OEM numbers provided for this item. Maxpower blades are manufactured to meet or exceed OEM specifications. Proudly made in the USA.