Barton Marine N05131 Size 5 54mm Plain Bearing Pulley Block Single Swivel Becket

The Barton Marine N05131 is a Size 5 plain bearing pulley block designed for sailboat rigging and marine applications. This single-sheave block features a 54mm (approximately 2.1 inch) diameter sheave with plain bearing technology for reliable performance in marine environments.

Key Features:

• Size 5 block with 54mm diameter sheave for lines up to 12mm
• Plain bearing system provides dependable operation with minimal maintenance
• Swivel head allows the block to rotate freely, reducing line twist
• Integrated becket provides an attachment point for additional rigging or blocks
• Durable construction suitable for coastal cruising and recreational sailing
• Lightweight design reduces weight aloft while maintaining strength

This pulley block is ideal for control lines, halyards, and other deck or rigging applications where a compact, reliable block with becket attachment is needed. The swivel feature makes it particularly useful for applications requiring rotation under load, such as mainsheet systems or vang arrangements.