OEM-781-0748 MTD Edger Blade 9-Inch 3 Sided Star Fits edgers that require a 9" (22.9 cm) blade with 5/8" (1.59 cm) center hole For Troy-Bilt, MTD, MTD Gold, Yard-Man, White Outdoor, Huskee, Yard Machines and Bolens units 5/8" round center hole