Description
WD-40 Multi-Use Classic Spray combines protection, cleaning and lubrication in a single 425g can, built on the same trusted formula originally developed to displace moisture from space shuttle components. That penetrating, moisture-displacing property is still the core of what makes it useful decades later, whether the job is freeing a rusted bolt, quieting a squeaky hinge or protecting exposed metal from ongoing corrosion.
Its versatility is the real appeal — a single can moves between removing rust from gardening tools, protecting battery terminals and spark plugs from corrosion, lubricating bike chains and door locks, and cleaning grime off engines and exhausts, without needing a different specialist product for each individual task. That breadth is why it remains a genuine go-to product across the home, workshop, factory and garage rather than being limited to one narrow use case.
As a corrosion-displacing spray it also plays a protective role beyond immediate repairs, laying down a thin film that helps prevent future rust and moisture ingress on treated metal surfaces — useful for tools, fittings and equipment stored in less-than-ideal conditions.
Because it’s the same trusted formula across generations of use, it remains a genuinely reliable go-to for anyone already familiar with WD-40’s core capabilities, whether that’s an experienced tradesperson or someone tackling their first rusted bolt at home. Keeping a can in the garage, workshop or car boot means a fix for a squeaky hinge, a stuck fastener or light corrosion is always within easy reach.
Because it’s such a familiar, trusted formula, it remains the first product many people reach for when a squeak, a stuck bolt or a light rust patch needs sorting quickly around the house or garage.
Technical Specifications
| Pack size | 425g aerosol |
|---|---|
| Core functions | Protects, cleans, lubricates, displaces moisture |
Where to Use
- Rusted tools, bolts and metal components
- Door locks, hinges and garden equipment
- Battery terminals, spark plugs and electrical connections
- Bike chains, frames and general household maintenance
How to Apply
- Shake the can well — before use for consistent spray.
- Apply directly to the target area — using the straw or nozzle for precise application.
- Allow it to penetrate — for rusted or stuck components, give it time to work before attempting to move the part.
- Wipe away excess — after use, to avoid attracting dust and grit.
Important Notes
- Use in a well-ventilated area.
- Refer to the product’s Safety Data Sheet for full handling and hazard information.
- Store away from heat sources given its pressurised, aerosol format.







