Gravely Lawn Mower Blade - 320-515 - Replaces 011234 / 046998 / 08779251 / 08861600 / 08861651 / 08899300 / 08899600 / 09082400 / 09246700 / 11234 / 11234P1 / 21285051 / 46998 / 8779251 / 8861651 320-515 Gravely Replacement Lawn Mower Blade Replaces (OEM) Gravely 011234, 046998, 08779251, 08861600, 08861651, 08899300, 08899600, 09082400, 09246700, 11234, 11234P1, 21285051, 46998, 8779251, and 8861651 Fits Gravely Pro 150, Pro 200, and Pro 300 series models with 50" decks (requires 3 blades for 50" decks) Blade thickness measures 0.203"; Center hole measures 5/8"; Straight cutting edges Length: 17" x Width: 2"