Pay in installments of $26.49 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 16 - Jun 21
For Your Every Summer RSVP, with Code: SUMMER15
Description
Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226]57mm Aluminum Low Load Black Magic Block with Swivel Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep the line from
![Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226] Harken 57mm Aluminum Low Load Black Magic Block w/Swivel [3226]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/93959XL.jpg?v=1648514770)
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
4.8 ★★★★★
Based on 82 reviews
Sort
Product Reviews
★★★★★ 4
Socks
Size: Medium, Color: (001) Black / Black / Pitch Gray
Love the socks nice an warm and comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
★★★★★ 5
Warm feet
Size: X-Large, Color: (100) White / White / Pitch Gray
Sons lives these socks, requested them for Christmas.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
★★★★★ 5
Nice
Size: Large, Color: (100) White / White / Pitch Gray
Great for around the house. Nice fit. I have the Beetus so I've always got to have socks of some kind on when I'm not sleeping. I guess they'd be good for athletics too, beats me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 24, 2025
★★★★★ 5
Best socks on the market.
Size: X-Large, Color: (001) Black / Black / Pitch Gray
These socks last forever! I wear them daily. I bought my first pack over two years ago and haven't worn them out yet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
★★★★★ 5
Snug fit
Size: Medium, Color: (001) Black / Black / Pitch Gray
These socks are by far better than the knock off versions. They fit snug and don’t fall down the heel when worn with tennis shoes. Would recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
![Samlex PST-1000F-12 1000W Pure Sine Wave Inverter - 12V Input 120VAC Output [PST-1000F-12] Samlex PST-1000F-12 1000W Pure Sine Wave Inverter - 12V Input 120VAC Output [PST-1000F-12]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/94067XL.jpg?v=1649719292)
![Garmin Panoptix LiveScope System w/Thru-Hull Mount Transducer [010-02233-00] Garmin Panoptix LiveScope System w/Thru-Hull Mount Transducer [010-02233-00]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/76866XL.jpg?v=1651037639)
![Uflex M90 Mach Rotary Steering Cable - 14 [M90X14] Uflex M90 Mach Rotary Steering Cable - 14 [M90X14]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/92833XL.jpg?v=1647897512)
![Garmin STRIKER Vivid 5cv Fishfinder w/GT20-TM [010-02551-00] Garmin STRIKER Vivid 5cv Fishfinder w/GT20-TM [010-02551-00]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/86531XL.jpg?v=1651050702)
![Garmin STRIKER Vivid 7cv Fishfinder w/GT20-TM [010-02552-00] Garmin STRIKER Vivid 7cv Fishfinder w/GT20-TM [010-02552-00]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/86533XL.jpg?v=1651050713)