Amazon has 32-Oz STP Premium Bar & Chain Oil for $3.10. Shipping is free w/ Amazon Prime or on $25+.
Product Description from Store
- Engineered with anti-wear agent Zinc Dialkyl Dithiophosphate (ZDDP) to help provide a layer of protection for the bar and chain
- Formulated for use with chainsaws to help maintain maximum bar and chain performance
- Oil is ready for immediate use
- Tackifier helps reduce high-speed oil throw-off
- High-quality base oil specially formulated to minimize resin build-up for smoother cuts