STIHL 3.79-Litre Medium Chain Oil promotes smooth operation by keeping the chain clean and free-running on the guide bar. This oil is specially formulated to adhere to your chainsaw’s bar and chain, providing optimal lubrication. Special oils help prevent sap and pitch from clinging, prolonging cutting performance and the lifespan of your chain parts. Ideal for use in moderate temperatures, STIHL bar and chain oil provides quality protection for your chainsaw – bar none.