Smiths honing solution, net content: 4 oz. Smith s specially formulated hon1 honing solution is nonpetroleum based and features built-in stone cleaning agents and rust/corrosion inhibitors. It is excellent for lubricating your Arkansas or diamond stone when sharpening. Non-petroleum based with built-in stone cleaning agents and rust/corrosion inhibitors. Excellent for lubricating your Arkansas or diamond stone when sharpening. Pack of 1. Never use an Arkansas Stone without lubrication or the pores will become clogged and cause it to not sharpen properly.