This upright lead block from Ronstan is typically used for halyards at the mast base.
Lead blocks are a low-profile solution for leading halyards or other rig sail controls back to cleats or jammers.
Ideal for high load applications. Manufactured with a wear-resistant Nylatron® sheave – a lightweight self-lubricating polymer.
This upright block with 50mm sheave is suitable for use with rope or wire.
Features:
- Acetal ball bearings
- UV stabilised Acetal sheave
- Grade 316 stainless steel load housing
- Fastening: 2 x 6mm (1/4″) – Not included
| SKU | Sheave Diameter | Max Rope Diameter | Max Working Load | Breaking Load | Weight |
|---|---|---|---|---|---|
| RON-RF50171HL | 50mm | 12mm | 800kg | 1,500kg | 115 grams |
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