1x19 Stainless Steel Wire Standing Rigging is a great choice for dinghies to mega yachts. It is commonly used throughout the yachting world, and you can now configure and purchase the rigging you need on our website. Here at Martin Leaning Masts & Rigging we use KOS 1x19 stainless steel wire, here's why it is a great choice. In our opinion it's the world's best wire and our terminals are from premium world recognised brands, and all rigging is professionally terminated with meticulous care.

Standing Rigging and KOS Wire: Strength and Reliability for Your Yacht

Standing rigging plays a crucial role in a sailboat’s overall stability and performance, keeping the mast securely in place while ensuring efficient sail handling. Among the various materials available, KOS wire is a popular choice, known for its durability, strength, and resistance to harsh marine conditions. Here’s why KOS wire is trusted by sailors worldwide.

Understanding Standing Rigging

Standing rigging consists of fixed lines, wires, or rods that support the mast and keep it upright. Unlike running rigging, which is adjusted frequently, standing rigging remains static and is designed to withstand high tension loads. It typically includes components such as:

• Shrouds – Running from the mast to the deck, shrouds provide lateral support.

• Forestay & Backstay – These wires hold the mast in position fore and aft, stabilizing the yacht’s structure.

• Chainplates & Turnbuckles – Used to anchor rigging to the deck and allow fine adjustments to tension.

Over time, standing rigging faces constant loads, UV exposure, saltwater corrosion, and mechanical fatigue, making material choice vital for long-term reliability.

Why Choose KOS Wire for Standing Rigging?

KOS wire, manufactured to high marine-grade specifications, is widely used in standing rigging due to its excellent strength-to-weight ratio and corrosion resistance. Made from stainless steel, it offers several advantages:

1. Superior Strength and Load Handling

KOS wire is designed to handle high tension loads without excessive stretch, maintaining the correct mast alignment for optimal sailing performance.

2. Corrosion Resistance for Marine Environments

Saltwater and humidity can degrade rigging over time, leading to rust and weakened integrity. KOS wire’s high-grade stainless steel composition ensures exceptional corrosion resistance, making it ideal for offshore and long-distance cruising.

3. Longevity and Durability

Compared to traditional galvanized wire, KOS wire lasts significantly longer, reducing the need for frequent replacements and lowering maintenance costs. Its durability ensures safe sailing without unexpected failures.

4. Ease of Handling and Installation

Whether using swaged fittings or mechanical terminals, KOS wire is relatively easy to work with, ensuring reliable connections in both new rigging installations and replacements.

Maintenance and Inspection of Standing Rigging

To ensure KOS wire and standing rigging remain in top condition, regular inspection is essential. Sailors should check for:

• Signs of wear or fraying in wire strands.

• Corrosion or discoloration near fittings and terminals.

• Proper tension to prevent excessive mast movement.

• Fatigue cracks in chainplates or other rigging hardware.

Routine maintenance and timely replacement of standing rigging significantly reduce the risk of rig failure, especially during challenging sailing conditions.

Conclusion

For sailors seeking strength, durability, and corrosion resistance, KOS wire is a top choice for standing rigging. Whether for offshore cruising, racing, or day sailing, its reliable performance ensures a well-balanced mast and safe sailing experience. Regular inspections and maintenance further enhance longevity, keeping your yacht in peak condition for years to come.