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Special order from Ronstan — Estimated 2–4 weeks.
Description
Series 20 Ball Bearing Block - Upright Lead
Features:
Applications:
Materials:
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
Fastener Ø: 4mm(5/32")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 18g(0.6oz)
Features:
- Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers
- Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction
Applications:
- Typically used for halyards at the mast base
Materials:
- U.V. Stabilized Acetal sheaves
- Stainless steel ball bearings & Load housing
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
Fastener Ø: 4mm(5/32")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 18g(0.6oz)
Accessories
No accessories listed for this product.
Specifications
| SKU | RF20171 |
| UPC | 9316800255597 |
| Brand | Ronstan |
| Category | Sailing |
| Country of Origin | ID |
| Weight | 0.1 |
| Dimensions | 3 x 2 x 1 |
| Status | Active |
| Last Synced | 8/28/2026, 2:03:19 AM |
Compliance & Shipping
Returnable
Product Literature
No literature or manuals available for this product.
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Price
$24.08