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Shipping Estimate
USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
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Description
Ko-ken Tools 3/8 Sq. Dr. Bit Socket 4mm Hex Length 25mmInput Drive Size: 3 8" Drive Shape: Square length: 25mm Type: Inhex Bit Socket Output Size: 4mm Opening: Hex Product Dimension (Refer Line Drawing Image): D Size: 18. 5mm H1 Size: 5. 5mm H2 Size: 10mm L Size: 25mm
| Input Drive Size: | 3/8" |
| Drive Shape: | Square |
| length: | 25mm |
| Type: | Inhex Bit Socket |
| Output Size: | 4mm |
| Opening: | Hex |
Product Dimension (Refer Line Drawing Image):
| D Size: | 18.5mm |
| H1 Size: | 5.5mm |
| H2 Size: | 10mm |
| L Size: | 25mm |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 1
garbage spark plugs
misfired after 30 minutes of driving cylinder 4 misfire code, left me stranded on the highway with baby in car. “(9621)” at the end of description is a lie, was not compatible with my vehicle even with compatibility test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Actually works on BMW!
I purchased this after the shorter black fluted tool I bought last year failed me. This thing is way better constructed, fits perfect , and actually works to turn it after you can’t turn it by hand any further. Was able to get torqued down to 25nm no problem finally with ease!
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Reviewed in the United States on November 12, 2024
★★★★★ 5
Works great
Works great
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Reviewed in the United States on May 26, 2025
★★★★★ 5
Great product
Fits the whole filter cover all the way...and the metal is great quality
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Reviewed in the United States on May 26, 2025
★★★★★ 5
great quality great price fast delivery
great quality great price fast delivery
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
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