The Barton Marine Size 3 45mm Plain Bearing Pulley Block Double with Swivel delivers robust performance in a compact form for serious sailors. Built for mainsheet, vangs, and lead blocks, this double-block setup provides a powerful and smooth purchase on dinghies, dayboats, and lightweight cruisers.
Crafted with a stainless steel frame for lasting durability and corrosion resistance, it combines advanced materials to maximize strength while keeping weight to a minimum. The 30% fiberglass-filled nylon framework and Acetal sheaves ensure reliable operation, reducing friction for easy, efficient control in all conditions.
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Size 3, 45mm (1 3/4") sheave for reliable line control and load handling
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Plain bearing design for smooth operation and straightforward maintenance
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Double block with swivel to simplifies line routing and maximize purchase efficiency
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Stainless steel frame provides rugged durability and corrosion resistance
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30% fiberglass-filled nylon and Acetal sheaves deliver high strength while keeping weight down
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Rope compatibility up to 10 mm (3/8") for common dinghy and dayboat lines
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Versatile mounting for mainsheet, vangs, lead blocks to create a powerful, compact purchase system
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Manufacturer: Barton Marine • Part No: N03230 • UPC: 5035088080977
Designed for performance in both racing and cruising contexts, this block reduces friction, improves haul efficiency, and stands up to the demands of frequent sailing use. It’s a dependable upgrade for sailors who value reliability, simplicity, and strength in their deck hardware.
Specifications
- Sheave diameter: 45 mm
- Block type: Size 3, plain bearing, double with swivel
- Rope size compatibility: up to 10 mm (3/8")
- Frame material: Stainless steel
- Sheave material: Acetal
- Construction: 30% fiberglass-filled nylon
- Manufacturer: Barton Marine
- Part No: N03230
- UPC: 5035088080977
