Alternative model: 613223, 613223R, 69601552632, 601000749, 601002454, 636715110, 4133-713-4101, 4133-713-4102, 720237001, 719-613223-B, 72950-92100 Compatible With Ryobi: 613223, 613223R, 791-613223B, for Maru-yama: 216062. for Red Max: 6367-15110, for Kawasaki: HE026A, HE027A, KEL27B, KEL27BC, KME01A, for Craftsman: SPM209366513. for WORX WA0223 Compatible With Echo: PAS2601, PE200, PE3100. for Echo: 69601552632, 720237001, for Shin-daiwa: 72950-92100, 80544, LE230, LE231, LE242, LE250, LE2510, LE254, LE260, LE261, LHE2475; for Red-Max: 636715110 Compatible With S-tihl: FC72, FC75, FC85, FC110, 4133, 4101, 4133, 4102, 713, 713. for Troy-Bilt 791-613223, 791-613223B, 613223, for Husqvarna: 123L, 125E, 125LD, 225E, 225LD, 225RD, 232L, 232RBD, 233RBD, 240RBD, 322E, 323E, 323EX, 325E, 325EX, 326E, 326ES, 326EX, 327ES, 426EX, 525ES, 503848202, 505175301, 531004044, 5310053007, 531300233, 601 00 07-49, 601 00 24-54; Compatible With The Following Brands: Stih-l, Ryobi, Echo, Maruyama Green Machine, Poulan, MTD, Troy-Bilt; Use for Greenworks 80 volt edger Features: The blades have the ability to be reused, when one of them is worn, you can turn them over, so that the effect of reuse, and its sharp effect is also restored as before, each mower edge blade is heat treated; Size: Width: 2", Length: 8", Center Hole: 1" 5 Pack 613223 7-1/2" Edger Blades Compatible with Ryobi/Echo/Stih-l/Maruyama Trimmer Edger Attachment, Replace 720-237-001 4133-713-4101 216062 237001 (1”Center Hole)