sprocket rim325-7 ,sprocket wheel ,rim ,sprocket All OREGON stihl Husqvarna models rim. NUMBERPITCHTEETHOREGONPF85063/8718720PF85020.325711892PF85053/8768210PF85110.404722270The rim is tne replaceable part of an power mate sprocket .sprocket rim 3/8-7 ,sprocket wheel ,rim ,sprocket sprocket rim 325-7