Imperial Metric
Sheave Dia. 1 3/16" 30 mm
Max Rope Dia. 5/16" 8 mm
Fastener Dia. 3/16" 5 mm
Maximum Working Load 660 lb 300 kg
Breaking Load 1650 lb 750 kg
Weight 1.1 oz 30 g

Product Description

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.

Ronstan Blocks • Grade 316 stainless steel ball bearings.
• UV stabilised Acetal sheave.
• Grade 316 stainless steel load housing.

Typically used for halyards at the mast base.

Part Number: RF30171

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Ronstan Series 30 BB Block, Upright Lead
Original Price: $ 28.18
Price: $ 23.95

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