![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://boatpartsdepot.com/cdn/shop/files/op_blade_hero_icast2024_1.png?v=1758553857&width=3840)
![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://boatpartsdepot.com/cdn/shop/files/lumitec.png?v=1758638733&width=3840)
![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://boatpartsdepot.com/cdn/shop/files/garmin.webp?v=1758640530&width=3840)
![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-27T113233.566.png?v=1724740371&width=3840)
![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](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 - 6.3:1 - RH [CA3-6.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105571XL.jpg?v=1726202049&width=3840)
![13 Fishing Concept A3 Baitcast Reel - 6.3:1 - RH [CA3-6.3-RH]](http://boatpartsdepot.com/cdn/shop/files/105571BXL.jpg?v=1726202051&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
![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://boatpartsdepot.com/cdn/shop/files/55142XL_180x.jpg?v=1723138320)
Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide...
Available:
In stock
Guaranteed safe checkout:
Same-Day shipping
This item is available for 2 day shipping
Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head
Features:
- Low friction
- High static and dynamic load capacity
- Lightweight
- Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
- Two-Way head can be fixed at 0° or 90°
Applications:
- Dinghy control lines
- Dinghy vangs
- Cunninghams
- Traveller controls
Materials:
- Stainless steel ball bearings
- UV Stabilized Acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
PinØ: 4mm(5/32")
M.W.L.: 400kg(880lbs)
B. L.: 850kg(1,870lbs)
Weight: 64g(2.3oz)
Related product
Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]
RECENTLY VIEWED PRODUCTS
![C-MAP REVEAL X - Chesapeake Bay to the Bahamas [M-NA-T-203-R-MS]](http://boatpartsdepot.com/cdn/shop/files/93618XL.jpg?v=1723570944&width=3840)
![C-MAP MAX NA-M023 - U.S. Gulf Coast & Inland Rivers - SD Card [NA-M023SDCARD]](http://boatpartsdepot.com/cdn/shop/files/30144XL.jpg?v=1723085131&width=3840)
![C-MAP MAX NA-M021 - Canada North & East - SD Card [NA-M021SDCARD]](http://boatpartsdepot.com/cdn/shop/files/30142XL.jpg?v=1723085112&width=3840)
![C-MAP MAX NA-M027 - Central America & The Caribbean - SD Card [NA-M027SDCARD]](http://boatpartsdepot.com/cdn/shop/files/30146XL.jpg?v=1723085150&width=3840)
![C-MAP MAX NA-M024 - U.S. West Coast & Hawaii - SD Card [NA-M024SDCARD]](http://boatpartsdepot.com/cdn/shop/files/30147XL.jpg?v=1723085160&width=3840)
![C-MAP MAX NA-M022 - U.S. East Coast & The Bahamas - SD Card [M-NA-M022-MS]](http://boatpartsdepot.com/cdn/shop/files/30145XL.jpg?v=1723085141&width=3840)
![C-MAP MAX NA-M028 - Alaska - SD Card [NA-M028SDCARD]](http://boatpartsdepot.com/cdn/shop/files/30149XL.jpg?v=1723085178&width=3840)
![C-MAP MAX NA-M025 - Canada West - SD Card [NA-M025SDCARD]](http://boatpartsdepot.com/cdn/shop/files/30148XL.jpg?v=1723085169&width=3840)
![C-MAP MAX NA-M026 - Great Lakes & The Maritimes - SD Card [NA-M026SDCARD]](http://boatpartsdepot.com/cdn/shop/files/30143XL.jpg?v=1723085122&width=3840)
![C-MAP MAX SA-M500 - Costa Rica-Chile Falklands - SD Card [SA-M500SDCARD]](http://boatpartsdepot.com/cdn/shop/files/17593XL.jpg?v=1723077467&width=3840)
![C-MAP MAX SA-M501 - Gulf of Paria - Cape Horn - SD Card [SA-M501SDCARD]](http://boatpartsdepot.com/cdn/shop/files/17594XL.jpg?v=1723077478&width=3840)
![Humminbird CoastMaster Premium Northeast Coastal V1 [602024-1]](http://boatpartsdepot.com/cdn/shop/files/105912XL.jpg?v=1744930449&width=3840)
![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-28T110403.265.png?v=1724825283&width=3840)
