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. Features: Center Hole: 1" Finish: Raw Heat Treated: No Length: 8" Sharpened: No Thickness: 0.118" Width: 2"