Size: 4 fl. oz. BottleWith Stone Cleaning Agents And Rust/Corrosion InhibitorsFor Use On All Sharpening StonesNon-Petroleum BasedKeeps Bench Stones Clean And Prevents Oxidation And Rusting Of Steel Particles Left On Stone After SharpeningEffectively Floats Away Any Metal Or Abrasive Dust That Is Created During The Sharpening ProcessUse Just Enough For A Thin Film Of Solution Between The Stone And Blade