The 3 teeth eater blade fits for stihl, echo 1" (25.4 mm) or 20 mm arbor. 1 xThrust Washer. 1 x Collar Nut. No need to worry about them. 1 x Rider Plate. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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