Description
The Oregon 21358X Power Mate Rim Sprocket System includes a 7-tooth, 3/8" pitch small 7 spline (SM7) sprocket. It is designed for every type of chain saw user. The chain and bar groove alignment is maximized, resulting in extended operational life and reduced overall costs. The sprocket system's two-piece design features a drum which allows the rim to be replaced multiple times before you need to buy a new unit. Replace every three rims.
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