The Oregon 22209 Power Mate Rim Sprocket System includes a 3/8" pitch, standard 7 Spline (SD7) rim sprocket that can be used on all types of chain saws. This sprocket allows you to extend operational life by maximizing chain and bar groove alignment, all while reducing your overall costs. The sprocket system's two-piece design includes a drum with replaceable rim, allowing the rim to be replaced multiple times before the entire unit is replacement. This sprocket system should be replaced every three rims.

• Genuine OEM Oregon Product

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov