11.5 OZ Freeze Off, A Unique Formula That Uses Freeze Shock Action To Freeze, Penetrate & Loosen Upon Contact, Immediately Drops The Temperature Of The Area In Direct Contact With The Spray, Freezing Effect Cracks The Rusted Surface, Which Allows It To Reach Deeper & Work More Effectively, Looses Rusted & Corroded Nuts, Bolts, Hinges, Locks, Automobiles, Boats, Water Sports Equipment, Household Items, Plumbing Fixtures, Agricultural Equipment & Sporting Goods.