# Multi-purpose spray WD-40 Smart Straw 420 ml — Wd-40 lubricant, rust protection and moisture displacer

**URL:** https://aio.lv/en/product--wd-40-wd-40-420--11658039
**Data updated:** 2026-06-10 09:29 (EEST)
**Category:** Cleaning Products
**Manufacturer:** Wd-40
**Manufacturer code:** WD-40-420
**EAN:** 5032227371460
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wd-40-wd-40-420--11658039

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

WD-40 Smart Straw 420 ml is a multi-purpose aerosol for lubrication, rust protection and moisture displacement. The 420 ml can with Smart Straw provides targeted precision application and a spray straw for narrow spaces. Use for loosening stuck parts, protecting metal surfaces from corrosion, lubricating hinges and tools, and driving out moisture from electrical contacts; suitable for home, workshop and automotive use.

## Long description

The WD-40 Smart Straw 420 ml is a versatile multi-purpose aerosol designed for effective lubrication, rust protection, and moisture displacement. This product features a unique integrated Smart Straw applicator, which allows for both precise, targeted application in narrow spaces and a wider spray pattern for general surface coverage. It is an essential tool for maintaining metal components, loosening seized mechanisms, and ensuring the longevity of various mechanical parts in home, automotive, and workshop environments.
Advantages
The primary benefit of this lubricant is its dual-action delivery system that eliminates the need for a separate straw, preventing loss and ensuring convenience. Its formula is engineered to penetrate deep into rusted or stuck parts, breaking down corrosion and allowing for easier disassembly. Furthermore, it leaves behind a protective film that guards against future oxidation and moisture-related damage, making it highly effective for both maintenance and long-term preservation of metal surfaces.
Suitable for
Loosening rusted nuts, bolts, and seized mechanical parts
Lubricating hinges, locks, pulleys, and sliding mechanisms
Displacing moisture from electrical contacts and ignition systems
Protecting metal tools and equipment from corrosion
General maintenance in automotive, industrial, and household settings
When it may not be suitable
This product is not intended for use as a heavy-duty grease or a long-term high-pressure lubricant. It may not be suitable for delicate plastic surfaces or certain types of rubber that could be sensitive to petroleum-based solvents.
Key specifications
Volume: 420 ml
Application system: Integrated Smart Straw
Functions: Lubrication, rust removal, moisture displacement, corrosion protection
Container type: Aerosol spray can
How to use
To use the WD-40 Smart Straw, flip the straw up for precise application in tight areas or keep it down for a wide spray. Shake the can well before use and spray directly onto the surface or component requiring treatment. Allow the product to penetrate for a few minutes if you are working on rusted or seized parts. For electrical applications, ensure the power source is disconnected before spraying and allow the product to dry completely before restoring power.
What to consider before purchase
Check compatibility with specific plastics or rubber materials if unsure
Ensure adequate ventilation in the workspace during application
Consider the size of the container for your storage and usage frequency needs
Usage recommendations
For optimal results, apply the lubricant liberally to the affected area and allow it to sit for several minutes to penetrate deep into the threads or joints. Reapply periodically to maintain a protective barrier against moisture and environmental elements.

## FAQ

### How much does the WD-40 Smart Straw 420 ml multi-purpose spray cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 372 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Thursday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Wd-40 products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Wd-40 service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11658039/66939272_large.webp