![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](http://boatpartsdepot.com/cdn/shop/files/op_blade_hero_icast2024_1.png?v=1758553857&width=3840)
![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](http://boatpartsdepot.com/cdn/shop/files/lumitec.png?v=1758638733&width=3840)
![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](http://boatpartsdepot.com/cdn/shop/files/garmin.webp?v=1758640530&width=3840)
![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-27T113233.566.png?v=1724740371&width=3840)
![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](http://boatpartsdepot.com/cdn/shop/files/kraken.jpg?v=1758232543&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 3.0 [AL13-5.2-3.0]](http://boatpartsdepot.com/cdn/shop/files/105635XL.jpg?v=1726202266&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 3.0 [AL13-5.2-3.0]](http://boatpartsdepot.com/cdn/shop/files/105635BXL.jpg?v=1726202268&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 6.0 [AL13-5.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105637XL.jpg?v=1726202347&width=3840)
![13 Fishing AL13 Spinning Reel - 5.2:1 - 6.0 [AL13-5.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105637BXL.jpg?v=1726202349&width=3840)
![13 Fishing AL13 Spinning Reel - 6.2:1 - 6.0 [AL13-6.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105639XL.jpg?v=1726202411&width=3840)
![13 Fishing AL13 Spinning Reel - 6.2:1 - 6.0 [AL13-6.2-6.0]](http://boatpartsdepot.com/cdn/shop/files/105639BXL.jpg?v=1726202413&width=3840)
![13 Fishing Concept A Baitcast Reel - 5.6:1 - RH [A2-5.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105556XL.jpg?v=1726201865&width=3840)
![13 Fishing Concept A Baitcast Reel - 5.6:1 - RH [A2-5.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105556BXL.jpg?v=1726201867&width=3840)
![13 Fishing Concept A Baitcast Reel - 6.8:1 - RH [A2-6.8-RH]](http://boatpartsdepot.com/cdn/shop/files/105558XL.jpg?v=1726201884&width=3840)
![13 Fishing Concept A Baitcast Reel - 6.8:1 - RH [A2-6.8-RH]](http://boatpartsdepot.com/cdn/shop/files/105558BXL.jpg?v=1726201886&width=3840)
![13 Fishing Concept A Baitcast Reel - 8.3:1 - RH [A2-8.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105562XL.jpg?v=1726201928&width=3840)
![13 Fishing Concept A Baitcast Reel - 8.3:1 - RH [A2-8.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105562BXL.jpg?v=1726201930&width=3840)
![13 Fishing Concept A3 Baitcast Reel - 8.1:1 - RH [CA3-8.1-RH]](http://boatpartsdepot.com/cdn/shop/files/105573XL.jpg?v=1726202072&width=3840)
![13 Fishing Concept A3 Baitcast Reel - 8.1:1 - RH [CA3-8.1-RH]](http://boatpartsdepot.com/cdn/shop/files/105573BXL.jpg?v=1726202074&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 6.6:1 - RH [ING2-6.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105581XL.jpg?v=1726202089&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 6.6:1 - RH [ING2-6.6-RH]](http://boatpartsdepot.com/cdn/shop/files/105581BXL.jpg?v=1726202091&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 7.3:1 - RH [ING2-7.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105583XL.jpg?v=1726202107&width=3840)
![13 Fishing Inception G2 Baitcast Reel - 7.3:1 - RH [ING2-7.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105583BXL.jpg?v=1726202109&width=3840)
Built for the Water
Lighting the Way Below – Enhancing Every Dive
Underwater Glow, Unmatched Visibility
![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](http://boatpartsdepot.com/cdn/shop/files/88765XL_180x.jpg?v=1723544424)
57mm Quad Block Swivel, Center BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming....
Available:
In stock
Guaranteed safe checkout:
Same-Day shipping
This item is available for 2 day shipping
57mm Quad Block Swivel, Center Becket
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
Features:
- Sheave Ø (mm) 57 mm
- Sheave Ø (in) 2 1/4 in
- Maximum line Ø (mm) 10 mm
- Maximum line Ø (in) 7/16 in
- Maximum working load (kg) 1080 kg
- Maximum working load (lb) 2380 lb
Related product
![13 Fishing Inception G2 Power Model Casting Reel - 5.3:1 - RH [ING2P-5.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105586XL.jpg?v=1726202137&width=3840)
![13 Fishing Inception G2 Power Model Casting Reel - 5.3:1 - RH [ING2P-5.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105586BXL.jpg?v=1726202139&width=3840)
$110.99
$168.99
-34%
Harken 57mm Quad Block Swivel, Center Becket [HSB380]
RECENTLY VIEWED PRODUCTS
![Navionics NAUS008R - U.S. West - Navionics+ [010-C1371-30]](http://boatpartsdepot.com/cdn/shop/files/92610XL.jpg?v=1723564743&width=3840)
![Navionics Platinum+ NPUS007R - U.S. East [010-C1370-40]](http://boatpartsdepot.com/cdn/shop/files/92656XL.jpg?v=1723565178&width=3840)
![C-MAP 4D SA-D501 Gulf of Paria to Cape Horn [M-SA-D501-MS]](http://boatpartsdepot.com/cdn/shop/files/80867XL.jpg?v=1723513261&width=3840)
![C-MAP M-SA-Y038-MS Discover South America Caribbean [M-SA-Y038-MS]](http://boatpartsdepot.com/cdn/shop/files/79656XL.jpg?v=1723508037&width=3840)
![C-MAP 4D NA-D064 Gulf of Mexico - microSD/SD [M-NA-D064-MS]](http://boatpartsdepot.com/cdn/shop/files/76125XL.jpg?v=1723204219&width=3840)
![C-MAP 4D NA-D065 Caribbean Central America -microSD/SD [M-NA-D065-MS]](http://boatpartsdepot.com/cdn/shop/files/76126XL.jpg?v=1723204228&width=3840)
![C-MAP 4D NA-063 Chesapeake Bay to Cuba - microSD/SD [M-NA-D063-MS]](http://boatpartsdepot.com/cdn/shop/files/76123XL.jpg?v=1723204200&width=3840)
![C-MAP 4D NA-D061 Great Lakes St Lawrence Seaway -microSD/SD [M-NA-D061-MS]](http://boatpartsdepot.com/cdn/shop/files/76124XL.jpg?v=1723204210&width=3840)
![C-MAP 4D NA-D062 Nova Scotia to Chesapeake Bay - microSD/SD [M-NA-D062-MS]](http://boatpartsdepot.com/cdn/shop/files/76122XL.jpg?v=1723204190&width=3840)
![C-MAP 4D SA-D500 Costa Rica to Chile to Falklands [M-SA-D500-MS]](http://boatpartsdepot.com/cdn/shop/files/71429XL.jpg?v=1723185811&width=3840)
![C-MAP 4D NA-D025 - Canada West Including Puget Sound [M-NA-D025-MS]](http://boatpartsdepot.com/cdn/shop/files/60780XL.jpg?v=1723155457&width=3840)
![C-MAP 4D NA-D021 - Canada North & East [M-NA-D021-MS]](http://boatpartsdepot.com/cdn/shop/files/60779XL.jpg?v=1723155448&width=3840)
![Harken 57mm Quad Block Swivel, Center Becket [HSB380]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-28T110403.265.png?v=1724825283&width=3840)
