![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://marinasupply.co/cdn/shop/products/55142XL_{width}x.jpg?v=1617369257)
![Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]](http://marinasupply.co/cdn/shop/products/55142XL_grande.jpg?v=1617369257)
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:t20mm(3/4")
Max. Rope Ø:t6mm(1/4")
PinØ: 4mm(5/32")
M.W.L.:t400kg(880lbs)
B. L.:t850kg(1,870lbs)
Weight:t64g(2.3oz)