Designed for heavy-duty projects, this penetrant features a fast-acting formula that quickly loosens rusted or stuck parts. It's ideal for removing grease and grime from a variety of surfaces. It also helps prevent rust and corrosion. Application: Chains; Fittings; Locks; Lug Nuts; Nuts; Pipes; Tools; Applicable Material: Metal; Plastic; Rubber; Capacity (Volume): 4 oz; Packing Type: Bottle.