Performance Rigging Knife with Marlinespike and Serrated Blade

A rigging knife is not a galley utility tool or a general-purpose pocket knife pressed into marine service. It is a purpose-engineered piece of safety and seamanship equipment that needs to perform reliably in the worst conditions — wet hands, salt spray, cold temperatures, urgent situations — when a line needs to be cut immediately or a jammed shackle needs to be freed right now. The West Marine Performance Rigging Knife, designed exclusively in collaboration with SOG® — one of the most respected names in professional blade design — is built to that standard. Every design decision, from the blade geometry to the handle material to the locking mechanism, reflects the specific demands of the marine and sailing environment.

SOG® Engineering, West Marine Specification — An Exclusive Collaboration.
SOG® has been designing and manufacturing professional-grade knives and multi-tools for military, law enforcement, and demanding civilian applications for decades. Their engineering expertise combined with West Marine's deep understanding of the sailing and marine market has produced a rigging knife that is genuinely purpose-built for the application — not a repurposed camping or hunting knife with a marine label. This knife is available exclusively through West Marine, designed to the specific requirements of performance sailors and serious boaters.

Sheepsfoot Blade — The Right Blade Geometry for Marine Line Cutting.
Blade geometry is not an aesthetic choice — it is a functional specification that determines what a knife can and cannot do safely and effectively. The sheepsfoot blade profile features a straight, flat cutting edge and a curved, blunt spine that curves down to meet the edge at the tip. This geometry is the engineering choice for marine line cutting for several critical reasons:

• Blunt Tip Safety: The rounded, non-pointed tip dramatically reduces the risk of accidental puncture of sails, inflatable life jackets, inflatable dinghies, and most critically, of the crew member's hands, body, or safety gear during urgent cutting in difficult conditions. When you're cutting a line under load in rough weather with wet hands, a blunt tip is a meaningful safety feature.
• Straight Cutting Edge: The flat edge geometry is optimized for clean, controlled cuts across rope fibers — particularly for synthetic high-performance lines where a clean cut through the fiber bundle is more important than a piercing tip.
• Non-Locking Design: The blade is intentionally non-locking — a deliberate safety specification for the marine environment. A non-locking blade closes under pressure rather than remaining rigid if the knife is inadvertently forced against the body or caught under a load — a critical safety consideration when working on deck in dynamic conditions.

Serrated Edge — Purpose-Built for Synthetic High-Performance Lines.
The blade carries a serrated edge optimized for the cutting characteristics of modern high-performance synthetic sailing lines — including Dyneema (UHMWPE), Vectran, Technora, Spectra, and blended fiber constructions that have become standard on performance racing and cruising rigs. These materials are extraordinarily strong for their diameter and highly cut-resistant with a plain edge — the serrations bite into and through the tightly packed fiber bundles more efficiently than a plain edge can. Whether you're cutting a jammed sheet, releasing a furling line under load, or freeing a crew member from an entanglement, the serrated sheepsfoot blade cuts synthetic fiber quickly and cleanly.

3-Inch Locking Marlinespike — The Knot Tool That Works.
The marlinespike is the seamanship tool that separates a true rigging knife from a simple marine folding knife. Used correctly, a marlinespike allows you to work apart stubborn knots that are impossible to untie by hand — particularly synthetic lines that have been loaded, wet, and compressed into a solid mass at the knot — without the knife blade involved. The West Marine Performance Rigging Knife's marlinespike features:

• 3-Inch Working Length: Long enough to provide meaningful leverage for prying apart loaded knot structures in standard sheet and halyard diameter lines
• Push-Button Locking Mechanism: Unlike a non-locking marlinespike that can fold back under load or during aggressive use, the locking mechanism keeps the spike rigidly deployed for safe, controlled prying — and releases cleanly with a push-button for one-handed closing
• Tapered Point: The spike's tapered geometry allows it to be worked progressively into tight knot structures, expanding the opening as it penetrates deeper into the knot

The locking marlinespike is the feature that distinguishes this knife from consumer folding knives adapted for marine use — it's a functional seamanship tool, not a decorative accessory.

Shackle Key — Built-In Deck Hardware Tool.
Integrated into the knife's design is a dedicated shackle key — a small but operationally significant feature for any sailor who regularly works with shackles on deck. Marine shackle pins are routinely over-tightened by hand, seized by salt crystallization, or corroded just enough to resist manual removal. The integrated shackle key provides the mechanical advantage needed to break the pin free without improvising with a screwdriver handle, a coin, or whatever else happens to be in a pocket. Having the tool integrated into the rigging knife means it's always where you need it — in hand, on deck, when you need to open a shackle quickly.

Glass-Reinforced G-10 Handle — Virtually Indestructible in the Marine Environment.
Handle material is where many marine knives compromise and fail over time. Wood handles swell, crack, and rot. Standard synthetic handles degrade under UV exposure and become brittle. Metal handles corrode and become slippery when wet. G-10 — a high-pressure fiberglass laminate originally developed for demanding military and industrial applications — has none of these weaknesses:

• Saltwater Impervious: G-10 absorbs no water, does not corrode, and is completely unaffected by salt water, salt air, or prolonged marine exposure
• UV Resistant: Unlike many synthetic handle materials, G-10 maintains its structural integrity and surface texture through years of outdoor UV exposure
• Exceptional Grip When Wet: The glass-reinforced texture maintains positive, secure grip with wet or cold hands — the condition in which a marine knife needs to perform most reliably
• Impact and Compression Resistance: G-10's layered fiberglass construction resists cracking, chipping, and deformation under the kind of physical abuse that a working tool in a marine environment regularly experiences
• Dimensional Stability: G-10 does not swell, shrink, or warp with temperature or humidity changes, maintaining consistent fit and action through the blade pivot and locking mechanisms

Lanyard Ring — Keep It on the Boat.
The integrated lanyard ring allows the knife to be attached to a sailing jacket, PFD, or safety harness with a length of small-diameter line or a retractable tether — keeping the knife accessible and aboard if dropped in the cockpit, on the foredeck, or overboard. For offshore sailors and racing crew who keep a rigging knife as part of their personal safety kit, the lanyard ring is a standard-use feature.

Stainless Steel Construction — Corrosion Resistance Throughout.
The blade and all metal components — including the marlinespike, pivot hardware, push-button mechanism, shackle key, and lanyard ring — are stainless steel, providing the corrosion resistance required for continuous saltwater exposure. Rinse with fresh water after use in salt water and periodically apply a light lubricant to pivot points for longest service life.

Key Features

• Brand Collaboration: Designed exclusively for West Marine by SOG® — professional blade engineering for marine application
• Blade Type: Serrated sheepsfoot — non-locking, blunt tip for safety
• Blade Material: Stainless steel
• Blade Edge: Serrated — optimized for Dyneema, Vectran, Technora, Spectra, and synthetic fiber lines
• Marlinespike: 3-inch stainless steel — push-button locking mechanism
• Shackle Key: Integrated — for releasing over-tightened or seized shackle pins
• Handle Material: Glass-reinforced G-10 — saltwater impervious, UV resistant, virtually indestructible
• Lanyard Ring: Integrated — for tether attachment to PFD or jacket
• Metal Components: Stainless steel throughout
• Best Use: Performance sailing, offshore racing, bluewater cruising, marine rigging work
• Exclusive: Available only through West Marine

Tool-by-Tool Breakdown — What Each Component Does

Why Blade Geometry Matters — Sheepsfoot vs. Other Profiles

Line Compatibility — What the Serrated Blade Cuts

Care & Maintenance

What's in the Box:

• 1 × West Marine x SOG® Performance Rigging Knife
• Serrated sheepsfoot blade
• 3-inch locking marlinespike
• Integrated shackle key
• Integrated lanyard ring
• Sheath/carry case if included — confirm with product packaging

Who Should Carry This Knife