This edger blade is unpainted, non-heat treated, not sharpened with a straight cut. Fits Maruyama trimmer edger, Green Machine and Echo PE2201 and 3100, McCulloch, Ryobi LE720R, and Shindaiwa. OEM Cross Reference 216062, 237001, 301272, 40-140, 4133 713 4101, 41337134101, 613223, 6477, 69601552631, 720237-001. Fits models:Echo EDGER: SEVERAL, Green Machine EDGER: SEVERAL, Maruyama TRIMMER/EDGER: SEVERAL, Mc Culloch EDGER: SEVERAL, Ryobi EDGER: SEVERAL, Stihl TRIMMER: FC72