Polytron PL is the best all-purpose penetrating lubricant your money can buy.  The application is endless and breaks loose, lubricates, and protects your seized or squeaky equipment.

POLYTRON PL contains POLYTRON MTC and is scientifically blended to be the most effective whenever rust, corrosion, or drag is a factor. POLYTRON PL not only penetrates through extreme rust and corrosion but also treats the metal surface to reduce friction and eliminate wear. Use of this product provides for long-lasting, smooth operation of any metal mechanism. Lasts up to 20 times longer than WD-40.