# Hex L‑key Allen wrench Unior U608528 — 4 mm with ball end

**URL:** https://aio.lv/en/product--unior-u608528--12404131
**Data updated:** 2026-04-30 18:30 (EEST)
**Category:** Wrenches & Adjustable Wrenches
**Manufacturer:** Unior
**Manufacturer code:** U608528
**EAN:** 3838909085289
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unior-u608528--12404131

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Unior U608528 is a 4 mm L‑shaped hex (Allen) key with a ball end for angled engagement. Made for tightening and loosening hex socket fasteners where access is limited, the ball end allows work at slight angles and improved reach. Suitable for bicycle maintenance, machinery repair, and general assembly tasks.

## Long description

Unior U608528 is a 4 mm L-shaped hex (Allen) key with a ball end designed for angled engagement and improved accessibility. The tool combines the short and long arms of a classic L-key to provide leverage and reach; the ball end enables operation when the user cannot align the tool perfectly with the fastener, making it appropriate for bicycle maintenance, machinery repair and general assembly tasks.
Advantages
The 4 mm hex profile provides a precise fit with hex socket fasteners, reducing the risk of rounding. The L-shape offers two working lengths for high-torque and reach applications respectively. The ball end permits engagement at shallow angles, improving access in recessed or obstructed locations. Constructed by a reputable hand tool manufacturer, it is intended for repeatable, workshop and field use where compactness and reliability are required.
Suitable for
 Tightening and loosening 4 mm hex socket screws on bicycles and components
 Maintenance of machinery and equipment with limited access to fasteners
 General assembly, furniture work and small mechanical repairs
When it may not be suitable
The tool is a single fixed-size hex key and therefore not suitable where a range of sizes or adjustable torque control is required. It is not intended to replace torque-controlled tools for precision-critical fasteners that require a specific torque value.
Key specifications
 Shape: L-shaped hex (Allen) key
 Hex size: 4 mm
 Tip type: Ball end on one arm for angled engagement
 Working ends: Short arm for high torque, long arm for reach
 Typical use: Manual hand tool for tightening/loosening hex socket fasteners
How to use
Select the short or long arm depending on whether you need leverage or reach. Insert the 4 mm hex into the socket of the fastener. For straight access use the standard end; for limited clearance or angled approach, engage the ball end which allows contact at slight angles. Apply steady, controlled force and avoid sudden over-torquing. After use, wipe clean and store in a dry location to limit corrosion.
What to consider before purchase
 Confirm that the fasteners you work with use a 4 mm hex socket
 Decide if a single-size fixed key meets your needs versus a set with multiple sizes
 Consider whether torque-controlled tools are required for your application
Usage recommendations
Use the long arm for accessing recessed screws and the short arm when higher torque is needed. When using the ball end, limit the angle to shallow engagement to maintain contact and prevent slippage. Regularly inspect the tip for wear and replace the tool if rounding appears.

## FAQ

### How much does the Unior U608528 4 mm L‑hex key with ball end cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 02.07.2026 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 Unior 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 Unior 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/12404131/68691441_large.webp