Best in 7 days
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Ships within 48 hours · Estimated delivery Oct 1 - Oct 6
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Description
Ko-Ken 183X.150-M8 Bit XZN M8 Triple Square 150 MM 7/16 Hex DriveGeneral Information Brand Ko Ken Tools Part Number 183X. 150 M8 Product Type Sockets Packaging Bulk Country of Origin Japan UPC 4991644311637 California Residents Proposition 65 Warning Physical Characteristics Length 150 mm Weight 0. 06 kg 0. 14 lb Details Type XZN Size M8 Features Drive Shape: Hex Input Drive Size: 7 6, 3 8, 1 2 Inch Output Size: M8 Length: 150 mm Made In Japan Drive Connector Size 7 6, 3 8, 1 2 Inch
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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
4.3 ★★★★★
Based on 1344 reviews
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Product Reviews
★★★★★ 5
Very comfortable office chair
Color: Black
This ergonomic office chair is very comfortable and has good lumbar support and a nice headrest. It includes all the necessary tools and takes about 20 minutes to fully assemble. The height adjust and recline features of the chair work smoothly and quietly. The seat cushion is nice and comfortable. The height-adjustable armrest is also a nice features of the chair. Overall, this ergonomic office chair provides relaxing comfort during long hours sitting with support for your bottom, back, head and arms. It's a good value for the price.
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Reviewed in the United States on February 21, 2026
★★★★★ 4
Good quality and arrived quickly
Color: Black
I was very pleased with how easy this chair was to set up. Affordable, arrived quickly. The only reason it isn’t 5/5 is because on of the arms had a small dent, possibly due to not enough bubble wrap during shipping. Other than that, the quality is great.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Awesome chair so far
Color: Black
My old chair can go in the trash immediately because it set the bar so low (picked up from a giveaway - squeaked anytime it's leaned on, always sinking upon sitting on it). This Ergonomic chair blew it out of the water. Happy with this purchase. This chair took me an hour to assemble, which I expected. It feels extremely sturdy and comfortable. Lumbar support feels great! I love the various adjustability options this chair offers. Hope it lasts for many years.
By the way, I am 175 lbs, 5'10".
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Great product
Color: Black, Color: Black
The directions were so easy to follow i was able to set up the chair in under an hour its very comfortable and perfect highly recommend
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Good buy
Color: Black
Very comfortable. Solid chair. Lumbar support helps a lot. Posture in this chair is great. Lots of support. Seems like a relatively skinny chair though - I wouldn't imagine it to be comfortable for a larger person.
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Reviewed in the United States on March 4, 2026
