Ronstan RF15101 High-Performance Marine Block - Durable Sailboat Pulley for Rigging, Sailing, and Boating Accessories | Perfect for Sailboats, Yachts, and Marine Applications

FEATURES

• Smallest and lightest ball bearing block available
• Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction
• Single loop head blocks include an O-ring to separate running line from head lashing or fixing