WD-40 Specialist Penetrant with Smart Straw, 11 oz.

Industrial-Strength Rust Release

The WD-40 Specialist® Penetrant is a professional-grade solution engineered to eliminate downtime by freeing seized parts in minutes. Using high-capillary action, this formula crawls deep into the tightest threads, seams, and crevices to break the toughest rust bonds.

Why Professionals Choose WD-40 Specialist Penetrant:

• Faster Return to Service: Penetrates at least 50% faster than the leading competition.

• Bust Through Rust: Quickly loosens seized screws, rusted-bonded bolts, and pipe threads that won't move.

• Prevents Re-forming: Leaves behind a protective lubricating layer to help prevent rust and corrosion from returning to tools and equipment.

• Professional Grade: Low-odor formula works effectively without the harsh, lingering chemical scents of standard penetrants.

• Smart Straw® Sprays 2 Ways®: Flip up for precision streams in tight spots or down for broad spray on larger surfaces.

Common Applications:

• Automotive: Freeing rusted bolts, nuts, and exhaust components.

• Plumbing: Loosening seized pipe threads and old fixtures.

• Fabrication Shops: Keeping hinges, pulleys, and fasteners moving to maintain workflow.

• Maintenance: Clearing "roadblocks" like seized locks, chains, and stuck hand tools.

Technical Specs:

• Size: 11 oz.

• Compliance: 50-state VOC compliant; No California Prop 65 Warning required.

• Surface Safe: Safe for use on most metals, plastics, and rubbers when used as directed.