Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head

Enhance your marine rigging setup with the Series 15 Ball Bearing Utility Block, expertly crafted for optimal performance and durability. This single block with a loop head is designed to meet the demanding needs of boating enthusiasts, offering seamless operation and reliable tension control in various marine applications.

Key Features

• Compact and Lightweight: Engineered to be the smallest and lightest ball bearing block in its class, it ensures ease of installation without compromising strength, making it ideal for tight marine spaces.
• High-Performance Sheaves: Features precision-crafted, UV-stabilized acetal sheaves that glide smoothly over premium stainless steel ball bearings, providing exceptional low-friction performance and longevity.
• Durable Loop Head Design: The single loop head is equipped with a robust O-ring, effectively isolating the running line from head lashing or fixing. This design enhances the block's durability and ensures reliable operation under harsh marine conditions.

Optimal Applications

• Dinghy Control Lines: Perfectly optimized for managing dinghy control lines, ensuring smooth and precise adjustments even in challenging sea conditions.
• Vang Systems and Cunningham Adjustments: Ideal for use in vang systems and Cunningham adjustments, providing precise tension control for better sail handling and boat performance.
• Shock Cord Tensioning: Excellent for shock cord tensioning systems, offering secure and efficient tensioning to maintain the integrity and performance of your marine setup.

Premium Materials

Component	Material	Benefits
Sheaves	UV Stabilized Acetal	Resistant to environmental factors, ensuring long-lasting durability and consistent performance.
Ball Bearings	Stainless Steel	Provides superior strength, excellent corrosion resistance, and smooth operation in marine environments.
Cheeks	Grade 316 Stainless Steel	Offers enhanced durability and excellent resistance to harsh marine conditions, preventing rust and degradation.

Why Choose the Series 15 Ball Bearing Utility Block?

The Series 15 Ball Bearing Utility Block stands out in the marine industry for its exceptional build quality and performance. Whether you're adjusting sails, managing control lines, or tensioning shock cords, this utility block ensures reliable operation and longevity. Its lightweight design and superior materials make it a must-have addition to any serious boater's toolkit.

Installation and Maintenance

Installing the Series 15 Ball Bearing Utility Block is straightforward, thanks to its thoughtful design. Regular maintenance involves inspecting the O-ring and cleaning the sheaves and bearings to ensure optimal performance. Built to withstand the rigors of marine environments, this utility block requires minimal upkeep, allowing you to focus on enjoying your time on the water.

Customer Reviews

Don’t just take our word for it—experienced boaters praise the Series 15 for its durability and smooth operation:

• "The best ball bearing block I've used. It handles all my sail adjustments with ease." – Captain Lee
• "Exceptional quality and performance. Highly recommend for any marine rigging needs." – Sailor Jane

Technical Specifications

Specification	Details
Material	UV Stabilized Acetal Sheaves, Stainless Steel Ball Bearings, Grade 316 Stainless Steel Cheeks
Design	Single Block with Loop Head
Weight	Ultra-lightweight for easy handling and installation
Dimensions	Compact size suitable for various marine applications

Enhance Your Marine Setup Today

Invest in the Series 15 Ball Bearing Utility Block to experience superior performance and durability on your next marine adventure. Order now and ensure your boat's rigging systems operate flawlessly, providing you with the reliability and control you need on the water.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.