Barton Marine N03231 Size 3 45mm Plain Bearing Double Swivel Pulley Block with Becket

The Barton Size 3 plain bearing pulley block features a 45mm (1 3/4") sheave with modern design incorporating stainless steel frames and advanced materials, including 30% fiberglass-filled nylon and Acetal sheaves to maximize strength while minimizing weight. This double sheave block includes a swivel and becket attachment, with a sheave size of 45mm x 13mm (1 3/4" x 35/64").

Key Features:

• Suitable for rope up to 10mm (3/8") diameter
• Safe working load (SWL) of 400kg (881 lbs)
• Break load rating of 800kg (1763 lbs)
• Double sheave configuration with swivel and becket
• Plain bearing design for reliable performance
• Stainless steel frame construction
• UV-resistant materials

Ideal for use as mainsheet blocks, vangs, lead blocks, or wherever a powerful and compact purchase system is required on dinghies, dayboats, and lightweight cruisers. The double swivel configuration provides excellent freedom of movement, while the integrated becket allows for easy line attachment and rigging versatility.