Barton Marine N05 430 Size 5 Fiddle Swivel Block 54mm Plain Bearing

The Barton Marine N05 430 is a Series 5 fiddle swivel block featuring a 54mm sheave with plain bearing design. This marine-grade block utilizes a precision-molded acetal sheave running on a large diameter brass bearing, ensuring smooth, free-running operation even under maximum loads.

Key Features:

• Precision acetal sheave with brass bearing for reliable performance
• Swivel head design allows block to rotate and align with load direction
• 54mm x 17mm sheave accommodates lines up to 12mm diameter
• Safe working load of 750kg (1,650 lbs) with 1,500kg (3,300 lbs) breaking strength
• Compact 185mm overall length with lightweight 300g construction
• Fiddle block configuration provides 2:1 mechanical advantage

Ideal for mainsheet systems, halyards, and control lines on sailboats where reliable performance and durability are essential. The plain bearing system requires minimal maintenance while delivering consistent operation in marine environments.