Barton Marine N03230 Double Block with Swivel Size 3 45mm Plain Bearing

The Barton Marine Size 3 double block with swivel features a 45mm (1 3/4") plain bearing sheave designed for dinghies, dayboats, and lightweight cruisers. This compact pulley block combines modern engineering with durable materials to deliver reliable performance in demanding marine applications.

Key Features:

• 45mm (1 3/4") sheave diameter with plain bearing system
• Double block configuration with integrated swivel
• Stainless steel frame for corrosion resistance
• 30% fiberglass-filled nylon construction for exceptional strength-to-weight ratio
• Acetal sheaves minimize friction and wear
• Suitable for rope up to 10mm (3/8") diameter
• Lightweight design ideal for racing and performance applications

Ideal for use as mainsheet blocks, vang systems, lead blocks, or anywhere a powerful and compact purchase system is required. The swivel head allows the block to rotate freely, reducing line twist and improving efficiency in multi-directional loading situations.