Ronstan Series 40 All Purpose Block - Single Upright Lead

Series 40 All Purpose Block - Single Upright Lead

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. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.

Applications:

• Typically used for halyards at the mast base.

Materials:

• UV stabilised acetal sheave
• Grade 316 stainless steel load housing

The Ronstan Series 40 All Purpose Block with a single upright lead is a versatile solution designed for guiding halyards and other sail control lines back to cleats or jammers on your boat. Its low profile design makes it ideal for high load applications where space is limited. The wear-resistant sheave is made from lightweight, self-lubricating polymer, ensuring smooth operation and durability when used with both rope and wire lines. This makes it suitable for various rigging configurations, especially at the mast base where reliable line control is essential. The robust construction combines a UV stabilized acetal sheave with a Grade 316 stainless steel load housing, providing excellent corrosion resistance and long-term performance in marine environments. This block is engineered to withstand harsh conditions while maintaining optimal functionality, making it a dependable component for your sailing needs. Whether you're upgrading existing hardware or installing new rigging, the Ronstan Series 40 All Purpose Block offers an efficient, low-maintenance solution that enhances your boat’s rigging system.

Features:

• Versatile design suitable for halyards and sail control lines

• Low profile for space-saving installation

• High load capacity for demanding applications

• Wear-resistant, lightweight, self-lubricating polymer sheave

• UV stabilized acetal sheave for durability

• Grade 316 stainless steel load housing for corrosion resistance

• Ideal for mast base applications