KLONDIKE Heavy Hi-Tack Bar & Chain Oil is a professional heavy chain lubricant specifically formulated for summer use and the demands of commercial contractors. It is suitable for all types of chain saws using manual or automatic oilers for lubrication of the bar, chain, and sprocket. Its robust, high viscosity formula is fortified with extreme tackiness agents to resist sling-off during high speed operation and is dyed red for good visibility on the chain. KLONDIKE Heavy Hi-Tack Bar & Chain Oil?s extra heavy formula is custom designed for and preferred by commercial forestry organizations. Advanced formula offers outstanding tack, film retention, and anti-wear protection under extreme, high heat operating conditions. Ensures the extra level of protection needed to maximize the performance and efficiency of professional saws.