# Ring File Donau Master lever-arch A4 50 mm gray

**URL:** https://aio.lv/en/product--donau-3950001pl-13--11934137
**Data updated:** 2026-03-10 11:24 (EET)
**Category:** Document Folders
**Manufacturer:** Donau
**Manufacturer code:** 3950001PL-13
**EAN:** 5901498011798
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-3950001pl-13--11934137

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Donau Master lever-arch ring file for A4 documents with a 50 mm spine width in gray. Designed to store and organize punched papers, reports and manuals; features a lever-arch mechanism for easy opening and secure document retention. Suitable for office, home or archive use where medium-capacity document filing is needed.

## Long description

Donau Master lever-arch A4 ring file with a 50 mm spine in gray is designed for storing and organizing punched papers, reports and manuals. The file accommodates A4 documents and offers a stable lever-arch mechanism that opens smoothly and secures stacks of paper in the binder. Its medium-capacity spine and rigid covers make it suitable for everyday office use, home filing and archive storage where a balance between capacity and compactness is required.
Advantages
The lever-arch mechanism provides reliable document retention and straightforward opening and closing, reducing the risk of loose pages. A 50 mm spine offers enough capacity for several hundred sheets while keeping the binder compact on a shelf. The neutral gray cover integrates easily into professional and home environments. Construction with reinforced edges and a firm spine improves durability during regular handling and storage.
Suitable for
 Organization of A4 punched documents and reports
 Office filing of project documentation and meeting materials
 Home paperwork and instruction manuals
 Medium-term archive storage where moderate capacity is needed
Key specifications
 Format compatibility: A4 documents
 Spine width: 50 mm (medium capacity)
 Closure mechanism: lever-arch ring for punched papers
 Cover color: gray
 Cover type: rigid covers with reinforced edges for durability
How to use
Open the lever-arch mechanism by lifting the lever to spread the rings, insert punched A4 sheets onto the rings, then close the mechanism to secure the documents. For neat filing, align punched holes before placing documents on the rings and distribute pages evenly to avoid overloading one side. Store the file upright on a shelf or flat in a drawer depending on available space and access frequency.
Usage recommendations
For longer preservation, avoid overfilling beyond the 50 mm capacity and store the binder away from direct sunlight and excessive humidity. Use dividers or indexed separators to improve retrieval of frequently referenced documents and label the spine for quick identification when files are shelved.

## FAQ

### How much does the Donau Master lever-arch A4 50 mm cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 62 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 14.07.2026 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 Donau 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 Donau 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/11934137/67366423_large.webp