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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Harken 29mm Carbo Air Block w/Swivel [340]29mm Carbo Air Block with Swivel Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave: 29mm 1 1 8in Length: 66mm 2 5 8in Weight: 26g . 9oz Shackle pin: 4mm 5 32in Maximum line: 8mm 5 16in Maximum working load: 150kg 330lb Breaking load: 454kg 1000lb
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
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4.9 ★★★★★
Based on 2126 reviews
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Product Reviews
★★★★★ 5
Best sock I've ever had!
Size: Large, Color: White, Size: Large, Color: White
I have these same socks in white and gray, oh, and a couple of colors, and they are my favorite socks. They're the most comfortable, best-fitting socks I've ever ordered.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Perfect socks for all day wear
Size: Medium, Color: White
Light weight dry fit. Extremely comfortable very functional fits nice and is not too thick but not too thin. I wouldn’t say they are slip resistant but I am not going to try sliding around in them. I would buy again and choose over other brands I have tried before
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Reviewed in the United States on March 28, 2025
★★★★★ 5
Good Socks
Size: Large, Color: Black
Fit great and feel good. High quality materials. Recommended.
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Reviewed in the United States on November 17, 2025
★★★★★ 5
ASICS Has the BEST No Show Socks
Size: Large, Color: White
ASICS has the best no show socks. My first pairs are from 10+yrs ago and I was thrilled to be able to find them still available in 2026. I wash and hang them to dry without any change in size or shape. Size Medium fits perfect. (I wear size 9 shoes, normal width, 10" feet). NOTE: I haven't run in them but walked briskly and they don't budge in tennis shoes and duck boots.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Great quality
Size: Large, Color: Black
Very high quality socks
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Reviewed in the United States on November 25, 2025
