Sealey Square Drive
Sealey Sx03021 Alloy Wheel Impact Socket 21Mm 1/2Sq Drive
size: 21mm. Colour: Multicoloured.
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Offer checked 10 November 2026. Price and availability may change.
A closer look
What matters before you buy
Size and fit
This is the 21mm option. Match it to the size you need, and check the manufacturer's measurements if you're switching models or brands.
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Compare the details that matter to your choice. For more options, explore similar products below.
For a different size, compare Silverline 628299 Socket 1/2" Drive 12pt Metric 14mm: 14mm, alongside 21mm for this option.
| Product | Size | Shop the option |
|---|---|---|
 This optionSealey Sx03021 Alloy Wheel Impact Socket 21Mm 1/2Sq Drive | 21mm | £12.40View on Amazon |
| 14mm | £2.19View on Amazon | |
| — | £9.47View on Amazon | |
| 7mm | £4.49View on Amazon |
- This option
Sealey Sx03021 Alloy Wheel Impact Socket 21Mm 1/2Sq Drive
- Size
- 21mm
£12.40View on Amazon - Size
- 14mm
£2.19View on Amazon- Size
- Not supplied
£9.47View on Amazon- Size
- 7mm
£4.49View on Amazon
The exact specification
Product details
- Size
- 21mm
- Colour
- Multicoloured
Full listing and model details
- Retailer listing
- Sealey Sx03021 Alloy Wheel Impact Socket 21Mm 1/2Sq Drive
- Brand
- Sealey
- Model
- SX03021
- Condition
- New
- ASIN
- B000RO67RO
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More square drive to compare by their exact size, format and price.
Silverline 628299 Socket 1/2" Drive 12pt Metric 14mm
- size
- 14mm
- Pack quantity
- 12 items
- Colour
- Silver
£2.19
View on AmazonSee details
Draper 16511 1/4" Square Drive Micro Satin Chrome Metric Socket, 7mm Size – Blue
- size
- 7mm
- Colour
- Blue
- Model
- 16511
£4.49
View on AmazonSee details
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Sources & our approach
Product details come from the retailer’s listing, checked 10 November 2026. Our buying notes explain the listed differences and questions to resolve before ordering. We have not handled or tested this product.
Our editorial approach