Sun Joe SWJ-OIL Chain and Sprocket Premium Oil | 1-Quart | 2-Pack (Compatible with all Chain Saws)CHAIN REACTION! SUN JOE Saw Joe Bar, Chain Sprocket Oil (2 pack, model SWJ OIL 2PK) is the cutting edge in high performance bar and chain oil, reducing friction, prolonging the service life of bars, chains, and sprockets as well as resisting oil thrown off at high chain operating speeds. Prevents rust, resists high temperatures and flows freely at low temperatures for reliable, all season performance. Not suitable for internal engine use. Compatible