# Combination wrench Unior U600372 21 mm – open-end and box-end wrench 21mm

**URL:** https://aio.lv/en/product--unior-u600372--12403820
**Data updated:** 2026-04-30 18:29 (EEST)
**Category:** Wrenches & Adjustable Wrenches
**Manufacturer:** Unior
**Manufacturer code:** U600372
**EAN:** 3838909003726
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unior-u600372--12403820

## 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 combination (open-end and box-end) wrench model U600372 sized 21 mm. A hand tool for tightening and loosening nuts and bolts using a 21 mm jaw/opening and a box-end for secure grip. Suitable for mechanical, automotive and maintenance tasks where a reliable 21 mm spanner is required.

## Long description

The Unior combination wrench U600372 21 mm combines an open-end jaw and a box-end in one hand tool designed for 21 mm nuts and bolts. The open end provides quick engagement for fast turning and access in tight spaces, while the box end offers a more secure grip for final tightening and loosening. This 21 mm spanner is produced by Unior and is intended for general mechanical, automotive and maintenance work where a reliable single-size wrench is needed.
Advantages
The single-piece design integrates an open-end and a 12-point box-end to handle both quick adjustments and higher-torque operations without changing tools. Made from heat-treated alloy steel, the wrench resists bending and wear during repeated use. Its precise 21 mm jaw and box-end fit reduce rounding of fasteners, and the profile is shaped to improve access in confined areas. The balanced weight and finish support consistent handling and easy identification of the 21 mm size.
Suitable for
Automotive repair and maintenance involving 21 mm fasteners
General mechanical assembly and disassembly tasks
Industrial and workshop maintenance where a reliable 21 mm spanner is required
Home DIY projects that use 21 mm nuts or bolts
When it may not be suitable
This combination wrench is a single fixed size (21 mm) and is not suitable when multiple sizes are required; a set or adjustable wrench would be more practical in those cases. It is not intended for use on rounded, damaged, or severely corroded fasteners where specialty extraction tools or impact-rated sockets are needed.
Key specifications
Size: 21 mm (open-end and box-end)
Box-end type: 12-point for secure engagement
Material: heat-treated alloy steel
Finish: corrosion-resistant surface treatment
Design: combination (open-end and box-end) single-piece wrench
How to use
Select the wrench and place the open-end or box-end over the 21 mm fastener. Use the open end for quick turning or when access is limited; position the box end for final tightening or loosening under higher torque to minimize fastener rounding. Apply force steadily and avoid sudden jerks. When removing tight or seized fasteners, ensure correct leverage and consider applying penetrating lubricant first. Store the wrench in a tool rack or toolbox to protect the finish and maintain accurate fit.
What to consider before purchase
Confirm that target fasteners are 21 mm size to ensure compatibility
Decide whether a single-size tool meets your needs or if a set is more appropriate
Check material and finish details for corrosion resistance if used in harsh environments
Usage recommendations
Use the box end for final torque and the open end for initial alignment and quick turning; avoid using cheater bars or impact tools on this hand wrench to prevent damage. Regularly clean and lightly oil the tool to extend service life and preserve accurate fit.

## FAQ

### How much does the Unior U600372 combination wrench 21 mm cost, and is it available for purchase?

The price is 16.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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/12403820/68691196_large.webp