Barton Marine Size Single Upright Block Sheave

The Barton Marine single upright block is a sailing block with a sheave that turns on a plain bearing. It is used to route and redirect running rigging on sailboats, dinghies and other vessels. Upright blocks are also sold as pulley blocks or sailing blocks. They are built for smooth, free-running performance under load.

Key Features:

• Plain bearing design: A precision molded acetal sheave runs on a large diameter brass bearing, so it runs freely under the highest of loads.
• Upright single-sheave configuration: suited to mounting on a deck or spar and redirecting a line.
• Multiple sizes: the line comes in a range of sizes. Each size has its own sheave diameter, maximum rope diameter and load ratings.
• Lightweight construction: suited to a wide range of uses on yachts and small boats.

Select the size that matches your line diameter and the working loads of your application.