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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
For Your Every Summer RSVP, with Code: SUMMER15
Description
Harken 40mm Carbo Air Double Swivel Block w/Becket [2639]40mm Carbo Air Double Swivel Block with Becket 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 (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load (lb)970 lb Quick Guide (pdf)
![Harken 40mm Carbo Air Double Swivel Block w/Becket [2639] Harken 40mm Carbo Air Double Swivel Block w/Becket [2639]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/79735XL.jpg?v=1643861892)
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 2108 reviews
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Product Reviews
★★★★★ 5
Lo que necesitaba
Color: Dark Tortoise, Size: 55-18-140
Muy bonitas, me quedaron perfectas, a buen precio.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
★★★★★ 5
muy buena calidad
Color: Dark Tortoise, Size: 55-18-140
muy buena calidad i muy hermosos
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2025
★★★★★ 5
Hermosas
Color: Dark Tortoise, Size: 55-18-140
Hermosas, tal cual la imagen.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2025
★★★★★ 5
Increibles
Color: Dark Tortoise, Size: 55-18-140
Son iguales a la imagen.
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Reviewed in the United States on September 1, 2025
★★★★★ 5
Bueno
Color: Dark Tortoise, Size: 55-18-140
Muy lindos y cómodos
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 4, 2025
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