Ronstan Series 15 Ball Bearing Utility Block - Double Loop Head, Lightweight Marine Hardware

Series 15 Ball Bearing Utility Block - Double, Loop Head

Features:

• Smallest and lightest ball bearing block available
• Precision molded 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

Applications:

• Dinghy control lines
• Vangs, cunninghams and tweakers
• Shock cord tensioning systems

Materials:

• BB sheaves: UV stabilized acetal
• Ball bearings: Stainless steel
• Cheeks: Grade 316 stainless steel

The Ronstan Series 15 Ball Bearing Utility Block with Double Loop Head is designed for lightweight and high-performance sailing applications. This compact block features precision molded acetal sheaves that run on stainless steel ball bearings, delivering low friction and smooth operation even under demanding conditions. Its design makes it the smallest and lightest ball bearing block in its category, making it ideal for situations where weight savings are critical. The single loop head includes an O-ring to keep the running line separated from head lashing or fixing points, ensuring reliable operation and ease of installation. Constructed from UV stabilized acetal and Grade 316 stainless steel components, this block provides durability and resistance to harsh marine environments. It is perfectly suited for dinghy control lines, vang, Cunningham, and tweaker systems, as well as shock cord tensioning setups. The compact size combined with high-quality materials ensures long-lasting performance and minimal weight addition to your rigging system. Whether upgrading existing hardware or designing a new sailing setup, the Ronstan Series 15 Utility Block offers a reliable and efficient solution for a variety of sailing needs.

Features:

• Smallest and lightest ball bearing block available

• Precision molded acetal sheave running on stainless steel ball bearings for high performance and low friction

• Single loop head includes an O-ring to separate running line from head lashing or fixing

• UV stabilized acetal sheaves with stainless steel ball bearings ensure durability

• Constructed with Grade 316 stainless steel cheeks for corrosion resistance