Harbor Freight Tools


11 Oz. Specialist Rust Release Penetrant Spray

WD-40® Penetrant Spray gets into threads and seams to break free rusted and stuck parts

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WD-40® Specialist Rust Release Penetrant Spray leaves behind a protective layer that helps prevent rust and corrosion from re-forming. Containing Blu Torch™ Technology, a proprietary blend of synthetic additives, WD-40 quickly goes to work on rusted nuts, bolts, threads, locks and chains. WD-40 Specialist Rust Release Penetrant Spray frees rusted parts 50% faster than the leading competitor. It is 50-state VOC compliant and safe to use on plastics, rubber and metal.

  • Frees rusted nuts and bolts, loosens stuck parts
  • Fast acting formula
  • Prevents rust and corrosion
  • Cleans grease and grime from metal parts and mechanisms

Important Information

  • This item can only be shipped within the 48 contiguous states via Standard Ground Shipping.

Lubricates, protects, loosens rust and grime, frees sticky mechanisms, loosens stuck fasteners, stops squeaks, drives out moisture
Container size
11 oz.
Shipping Weight
0.89 lb.
Note: Specifications are approximate and subject to change

100% Satisfaction Guarantee! If for ANY reason you are not satisfied with this item, you may return it within 90 days for a full refund or replacement.