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57mm Aluminum Sailing Blocks Choose Style and Quantity

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$62.98

$ 28 .99 $28.99

In Stock

1.Size:1-pack

2.StyleName:5 Sheave Swivel 2341-s

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Specifications: Model Number: 2310 Material: 6061T6 Aluminum Alloy, 316 Stainless Steel Ball Bearings: Delrin Maximum Line Capacity: 7/16” (12 mm) Sheave: 57 mm sheave Safe Working Load (SWL): 1100 lbs (500kg) Breaking Load: 3500 lbs (1600kg) Swivel Head: 0°, 90°, or 360°
High-Strength Construction: Crafted from 6061T6 aluminum alloy with a twice-thick anodized hard coating, the Blue Shark 2310 block offers exceptional strength and corrosion resistance, ensuring a longer block life even under heavy use.
Delrin Ball Bearings: Equipped with Delrin ball bearings, this block ensures smooth and efficient operation, reducing friction and wear for optimal performance.
Maximum Line Capacity: Accommodates a maximum rope line of 7/16" (12 mm), providing versatility for various marine applications.
Superior Load Capacity: This block delivers outstanding strength and reliability with a Safe Working Load (SWL) of 1100 lbs and a breaking load of 3500 lbs.
360° Swivel Head: The head of the block can be fixed at 0°, 90°, or left to swivel 360°, allowing for flexible and easy adjustment to suit your specific needs.
Corrosion-Resistant Materials: Featuring premium 316 stainless steel hardware, the Blue Shark 2310 block is highly resistant to corrosion, making it ideal for use in marine environments.

Preservative Treatment: Enhanced with a preservative treatment, this block is designed to withstand the harshest conditions, ensuring long-lasting durability and performance.
Versatile Applications: Perfect for main sheet fine-tuning, main/jib sheets, vangs, outhauls, and control lines, this block is a versatile addition to your sailing equipment.

BLUESHARK Premium 57mm Aluminum Sailing Blocks

Made of 6061T6 aluminum alloy with anodized hard coating which is twice as thick as black anodizing to provide double protection and corrosion resistance to air and salt water.

Delrin balls and marine grade 316 stainless steel hardware.

Boba Fett

2025-02-22 16:41:55

good quality at a fraction of the price of the big names!

Richard T.

2024-12-26 17:52:32

Comparing this block with other similar blocks sold at marine stores I was very impressed with the construction and price. Time will tell how well it holds up.

John H

2024-11-20 11:18:39

Have ordered multiple items and they all have been of high quality.

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57mm Aluminum Sailing Blocks Choose Style and Quantity

1.Size:1-pack

2.StyleName:5 Sheave Swivel 2341-s