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

Size 3 45mm Plain Bearing Pulley Block Double Swivel Becket

The size 3 Barton plain bearing blocks have 45mm (1 3/4 sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass-filled nylon and Acetal sheaves to maximise their strength whilst keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks, or wherever a powerful and compact purchase system is required on dinghies, dayboats, and lightweight cruisers.

Suitable for up to 10mm (3/8) rope.

Specifications:

• Weight: 143 g
• Dimensions: 118 46 47 mm
• Size: 3 (45MM)
• Block Type: Swivel + Becket
• No. of Sheaves: Double
• Bearing Type: Plain
• Sheave Size: 45mm x 13mm (1 3/4 x 35/64)
• Max rope diameter: 10mm (3/8)
• SWL: 400kg (881lbs)
• Break load: 800kg (1763lbs)
• Max rolling load (ball bearing blocks): 270kg (595lbs)

The Barton Marine Size 3 45mm Double Swivel Becket Pulley Block is designed for lightweight sailing setups where reliability and performance are essential. Crafted with a stainless steel frame and advanced materials such as 30% fibre glass-filled nylon and Acetal sheaves, this pulley offers a perfect balance of strength and minimal weight. Its double sheave configuration allows for efficient handling of ropes up to 10mm (3/8 inches) in diameter, making it ideal for applications like mainsheets, vangs, and lead blocks on dinghies, dayboats, and lightweight cruisers.
Built with a plain bearing and a durable swivel mechanism, the Barton N03231 ensures smooth operation and reliable performance under load. The sheaves measure 45mm x 13mm (1 3/4 x 35/64 inches), providing a versatile and powerful purchase point. The pulley weighs just 5 ounces, making it easy to handle and install without adding unnecessary weight to your sailing setup. Its maximum working load is 880 pounds, with a break load of 1,763 pounds, offering ample safety margins for demanding sailing conditions.
This pulley is designed for durability and ease of use, featuring high-quality components that withstand the rigors of marine environments. Whether you're upgrading your existing hardware or outfitting a new boat, the Barton Marine Size 3 pulley block provides a reliable, lightweight solution for a variety of sailing applications. Its compact size and robust construction make it suitable for tight spaces while delivering the performance needed for high-stress situations on the water.

Features:

• Size 3 pulley with 45mm sheave diameter for versatile use

• Double sheave design for efficient rope handling

• Plain bearing for smooth operation and durability

• Swivel with becket for flexible rigging options

• Constructed with stainless steel frame and advanced composites for strength and weight savings

• Suitable for ropes up to 10mm (3/8 inches)

• Maximum working load of 880 pounds with a break load of 1,763 pounds

• Lightweight at approximately 5 ounces for easy handling and installation