S20 BB Block,Upright Lead
S20 BB Block,Upright Lead is backordered and will ship as soon as it is back in stock.
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Description
Description
The Ronstan 20 mm Series 20 Upright Lead Block (RF20171) has self-lubricating Acetal polymer sheaves running on polished stainless steel races that perform equally well with dynamic loads and high static loads.
Features:
- Low friction
- High static and dynamic load capacity
- Lightweight
- Stainless steel ball bearings
- UV stabilished Acetal sheave
- Grade 316 stainless steel load housing
- Impact and UV resistant, stainless steel cheeks
- Typically used for halyards at the mast base
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