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Ships within 48 hours · Estimated delivery Jun 27 - Jul 2
For Your Every Summer RSVP, with Code: SUMMER15
Description
Harken 57mm Quad Block Swivel, Center Becket [HSB380]57mm Quad Block Swivel, Center Becket Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave (mm) 57 mm Sheave (in) 2 1 4 in Maximum line (mm) 10 mm Maximum line (in) 7 16 in Maximum working load (kg) 1080 kg Maximum working load (lb) 2380 lb
![Harken 57mm Quad Block Swivel, Center Becket [HSB380] Harken 57mm Quad Block Swivel, Center Becket [HSB380]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/88765XL.jpg?v=1643914604)
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 1207 reviews
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Product Reviews
★★★★★ 5
Emerald Beauty
Gem Type: Emerald, Ring Size: 9
This RING IS BEAUTIFUL!! The style and color is so bright and the setting is perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
★★★★★ 5
Perfect!
Gem Type: Emerald, Ring Size: 8
Quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
Emerald ring is prettier than pictured.
Gem Type: Emerald, Ring Size: 7
Granddaughter loves it. Her mom does also, and expects one for her birthday. Perfect gift.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Stunning! So happy I purchased!
Gem Type: Emerald, Ring Size: 10
I love emeralds but I wanted something in gold and Ross Simmons never disappoints. Only had it 2 days but I work in retail and receive so many compliments. It’s prettier than the picture, don’t hesitate to buy this!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
★★★★★ 5
Simple and Elegant
Color: White Gold - 3.5 mm, Ring Size: 8
I was looking for a band that would match my white gold engagement ring. This is it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
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