Bora HoneRite # 1 Honing Fluid Bora STN-HR1125 125ml tin &ndash; The Endorsed Honing Fluid That Makes Sharpening Much Easier Specifically designed Honing Fluid / Lapping Fluid for all makes of diamond aping plate systems, Norton India stones, Arkansas stones, and many more. May also be used with the latest lapping and diamond film sharpening systems. Makes water non-corrosive, eliminating tedious drying and rust-proofing after sharpening. Solvent based ultra-low viscosity, containing ferrous and non-ferrous metal corrosion inhibitors. Can be used to revive and revitalize old oil stones and slips that have become clogged with oil and steel particles.