Blade 23-1/4" with diamond shape center hole replaces MTD 742-05510-L. Requires 2 blades for 46" cut. Fits models 17ARFACT093, 17RRFACT093, 13AQA9ZT093 and others. Also fits Cub Cadet models 13AKA9TTA10, 13APA9TTA10, 13AQA9TTB10