Ronstan RF418 Wire Block, 25mm Nylatron Sheave, 900kg Breaking Load

Optimize your vessel's rigging with the Ronstan RF418 Wire Block, engineered for superior performance in demanding marine environments. This high-performance sailing component features purpose-designed narrow sheaves and grooves, making it an ideal choice for halyards, vangs, and backstay applications. Crafted with durable Grade 316 stainless steel cheeks and a reliable Nylatron sheave, it delivers exceptional strength, corrosion resistance, and smooth operation. Trust Ronstan's reputation for precision marine hardware to enhance your rigging's efficiency and longevity. Upgrade your sailing setup today for dependable performance.

Key Benefits & Specifications:

• Corrosion-Resistant Construction: Features Grade 316 stainless steel cheeks, providing excellent durability and resistance to harsh saltwater conditions.
• Smooth-Running Sheave: Equipped with a Nylatron® sheave, ensuring minimal friction and efficient line movement.
• Optimal Sheave Diameter: Designed with a 25mm (1 inch) sheave diameter for versatile use across various rigging configurations.
• Max Cable Compatibility: Accommodates a maximum cable diameter of 3mm (1/8 inch), suitable for common wire rope applications.
• High Working Load Limit: Boasts a Maximum Working Load (MWL) of 450kg (990lbs), ensuring reliability under significant stress.
• Exceptional Breaking Load: Offers a robust Breaking Load (BL) of 900kg (1,980lbs), doubling its working capacity for ultimate security.
• Lightweight Design: Weighs only 40kg (1.4oz), minimizing added mass to your rigging system without compromising strength.

Compatibility & Pairings:

The Ronstan RF418 Wire Block is designed for seamless integration into a wide range of sailboat rigging systems, ensuring efficient cable management for halyards, vangs, and backstays.