WD-40 - Smart Straw - Low VOC - 11 oz. - 490040. Penetrates deep to free up frozen or rusted metal parts. WD-40 Multi-Use Product protects metal from rust and corrosion, penetrates stuck parts, displaces moisture and lubricates almost anything. Its permanently attached Smart Straw sprays 2 ways. Available in 8 oz., 11 oz., and 12 oz. can sizes.. Features:. Low VOC. Size - 11 oz.. Displaces moisture. Non-conductive formula. Use it to dry out electrical and electronic equipment. Stops squeaks. Silicone free. Lubricates and protects metal against moisture and corrosive elements with an invisible barrier. Cleans tar, grease and adhesives. Supersession Chain & Specs