Kroil is now available in 8 sizes including a new 16.5 oz industrial-size aerosol, Aero Kroil, and 8 oz. non-aerosol. Other bulk sizes include 1,5,15 and 55 gal. Aerosols include 10 oz., 13 oz. and 16.5 oz. Oils plus solvents and unique molecular structure produces oil that creeps designed specifically to loosen frozen metal parts.