# Socket adapter for spark plugs Honiton H-021 21 mm 3/8" with T-handle

**URL:** https://aio.lv/en/product--honiton-h-021--11738457
**Data updated:** 2026-03-08 13:41 (EET)
**Category:** Tool kits and accessories
**Manufacturer:** Honiton
**Manufacturer code:** H-021
**EAN:** 8592021006298
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--honiton-h-021--11738457

## 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

Honiton H-021 is a 21 mm socket adapter for spark plugs with a 3/8" drive and an integrated T-handle. Designed for installing and removing spark plugs, it provides manual torque and control in tight engine bays and workshop tasks. Suitable for automotive maintenance and routine spark plug replacement where a T-handle grip is preferred.

## Long description

Honiton H-021 is a 21 mm socket adapter for spark plugs with a 3/8" drive and an integrated T-handle designed for manual installation and removal of spark plugs. The tool combines a standard 21 mm socket size with a T-handle grip to provide controlled torque and comfortable handling in confined engine bays and workshop environments. Its straightforward design targets routine maintenance tasks and situations where a compact manual tool is preferred over powered alternatives.
Advantages
The 21 mm socket matches common spark plug hex sizes and the 3/8" drive ensures compatibility with many hand tools and ratchets. The integrated T-handle offers improved grip and torque control when turning spark plugs by hand, helping to avoid over-tightening and reduce the risk of cross-threading. Its compact form factor allows access to recessed spark plugs and tight engine compartments where larger tools may not fit.
Suitable for
Manual replacement and installation of spark plugs in passenger cars and light engines
Workshop maintenance tasks requiring precise hand torque control
Field or roadside repairs where portability and quick access are needed
Key specifications
Socket size: 21 mm
Drive type: 3/8" drive interface
Integrated T-handle for manual operation
Intended use: spark plug installation and removal
How to use
Select the 21 mm socket adapter and place it over the spark plug hex. Use the T-handle to turn the adapter counterclockwise to loosen and remove the spark plug, taking care to keep the tool aligned with the plug to prevent cross-threading. For installation, start the spark plug by hand until it seats, then use the T-handle to finish tightening with controlled torque. Avoid applying excessive force; if higher torque is required, use a torque wrench on a compatible drive adapter.
Usage recommendations
Before use, ensure the engine is cool and the spark plug area is clean to prevent debris from entering the combustion chamber. Inspect the tool for wear or damage and verify the socket fits the spark plug securely. When precise torque is critical, complete final tightening with a torque wrench designed for spark plugs.

## FAQ

### How much does the Socket adapter Honiton H-021 21 mm 3/8" T-handle cost, and is it available for purchase?

The price is 15.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 Honiton 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 Honiton 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

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