Barton Marine N01231 Size 1 30mm Plain Bearing Double Swivel Pulley Block with Becket

The Barton Marine N01231 is a Size 1 plain bearing pulley block featuring a 30mm (1 3/16") sheave with double swivel and becket configuration. This versatile marine block is designed with an internal steel frame for added strength and durability in demanding sailing applications.

Key Features:

• 30mm (1 3/16") diameter sheave for smooth line operation
• Plain bearing design for reliable performance
• Double swivel head allows rotation in multiple planes for optimal sheeting angles
• Integrated becket for attaching additional lines or creating mechanical advantage systems
• Internal steel frame construction provides superior strength while maintaining compact dimensions
• Suitable for halyards, sheets, control lines, and deck organizing systems

Barton Marine's Size 1 blocks are ideal for small to medium cruising sailboats, dinghies, and general purpose deck hardware applications. The plain bearing system offers dependable service with minimal maintenance requirements, while the double swivel and becket configuration provides maximum rigging flexibility.