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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22
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Description
Ko-ken Tools 3/8 Sq. Dr. Adaptor 5/16 For 5/16H Bit Length 38mmInput Drive Size: 3 8" Drive Shape: Square Length: 38mm Type: Bit Holder Output Size: 5 16" Opening: For 5 16HG Bit Product Dimension (Refer Line Drawing Image): D1 Size: 16mm D2 Size: 18mm L Size: 38mm
| Input Drive Size: | 3/8" |
| Drive Shape: | Square |
| Length: | 38mm |
| Type: | Bit Holder |
| Output Size: | 5/16" |
| Opening: | For 5/16HG Bit |
Product Dimension (Refer Line Drawing Image):
| D1 Size: | 16mm |
| D2 Size: | 18mm |
| L Size: | 38mm |
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
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Fits and works fine
Size: 1+6+6 Pack
Its a good deal for all the things it comes with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2025
★★★★★ 4
Easy to use.
Size: 2+6+1+12 Pack
They work very well.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Not so good
Size: 2+6+1+12 Pack
These placement filters are not as good as the original. They seem to hold onto the debris & don't release it into the reservoir. I clean the filter & reservoir after each use & always find the filter full & the reservoir nearly empty.
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Reviewed in the United States on December 24, 2025
★★★★★ 5
Well priced
Size: 1+6+6 Pack
Very economically priced set of replacement parts for Eufy RoboVac 11S Max
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026
★★★★★ 5
Perfect fit
Size: 2+6+1+12 Pack
This is the second time I have ordered replacement parts for my Eufy robot vac. They fit perfectly.
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Reviewed in the United States on November 3, 2025