Rubber Heaving Ball – Reliable Deck Line Throwing Solution

Rubber Heaving Balls are essential deck tools for sending heaving lines accurately across water to mooring bollards or other vessels. Crafted from high-quality, impact-resistant rubber, these balls provide the necessary weight and streamlined profile for a long, precise throw. Their high-visibility orange/red color ensures the line is easy to spot in low-light and rough conditions.

Designed for harsh marine environments, our heaving balls are resistant to saltwater, UV exposure, and abrasion. The central hole accommodates standard heaving line splices, ensuring a secure connection. Available in a range of sizes, they meet the needs of commercial vessels, tugboats, and offshore operations. Using a heaving ball improves safety by eliminating the need to throw heavy weighted line ends by hand.

Key Features

Technical Specifications

SpecificationDetail
Size Options100mm (4"), 150mm (6"), 200mm (8")
Weight (150mm size)Approx. 0.4 kg / 0.9 lbs
MaterialNatural rubber
ColorOrange / Red
Hole Diameter20mm (fits 10-12mm line)
Operating Temperature-30°C to +60°C

Frequently Asked Questions

What is a rubber heaving ball used for?

A rubber heaving ball is attached to the end of a heaving line to add weight and improve accuracy when throwing the line from a ship to shore or to another vessel.

How do I attach the heaving line to the ball?

Pass the line through the central hole and tie a figure-eight knot or use a splice to secure it firmly to the ball.

Are these balls resistant to saltwater?

Yes, the natural rubber compound is highly resistant to saltwater, UV damage, and abrasion, making them suitable for long-term marine use.

What sizes are available?

We offer 4", 6", and 8" diameters to accommodate different line sizes and required throwing distances.

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