![Ronstan Series 20 Ball Bearing Block - Swivel Hook Head [RF20180]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/600x600/products/11159/11871/55138XL__96235.1529968305.jpg?c=2 "Ronstan Series 20 Ball Bearing Block - Swivel Hook Head [RF20180]")
![Ronstan Series 20 Ball Bearing Block - Swivel Hook Head [RF20180]](https://cdn11.bigcommerce.com/s-6g54mu6qkm/images/stencil/1280x1280/products/11159/11871/55138XL__96235.1529968305.jpg?c=2 "Ronstan Series 20 Ball Bearing Block - Swivel Hook Head [RF20180]")
Product Overview
Series 20 Ball Bearing Block - Swivel Hook Head
Features:
- Low friction
- High static and dynamic load capacity
- Lightweight
- Low profile swivelling hook for quick and easy attachment
- Hook suits rope, stainless steel and webbing fixing points
- Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
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")
M.W.L.: 135kg(300lbs)
B. L.: 270kg(590lbs)
Weight: 21g(0.7oz)
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