If you’re in the market for a multi-tool that’s more than just a collection of gadgets, the SOG PowerAssist S66N-CP deserves your attention. This 16-in-1 powerhouse combines tactical strength, military-grade durability, and smart design features like assisted blade opening and compound leverage pliers. Whether you’re on the job, in the field, or tackling everyday fixes, this tool is built to perform when reliability matters most.

Design and Build Quality

The SOG PowerAssist Multi-Tool commands attention with its tactical-focused engineering. Constructed from premium 420HC stainless steel, this tool features a black oxide finish that serves dual purposes—reducing reflectivity for tactical operations while enhancing corrosion resistance.

The dimensions speak to its practical design: 4.6 inches when closed, extending to a functional 7 inches when deployed. At 9.6 ounces, the PowerAssist strikes a calculated balance between substantive heft for demanding tasks and manageable weight for daily carry situations.

Ergonomics weren’t an afterthought in the design process. The smooth handle surfaces and strategically placed gear covers ensure comfortable operation during extended use periods—a critical consideration for professionals who rely on their tools for hours at a stretch.

Each PowerAssist comes with a durable nylon sheath that secures the tool during transport and provides protection when not in use. Built to military specifications with a blade hardness rating of 51-53 HRC, this multi-tool offers optimal edge retention and durability under challenging conditions.

The 16-Tool Arsenal

Cutting Tools

The PowerAssist features a tactical duo of blades: a straight-edge blade for precise cutting and a fully serrated blade for sawing through tougher materials. Both are crafted from the same 420HC stainless steel as the frame, ensuring consistent quality throughout.

Pliers System

At the core of the PowerAssist is its needle-nose pliers system featuring SOG’s compound leverage mechanism. This engineering marvel effectively doubles the gripping power compared to standard pliers, providing significant mechanical advantage when dealing with stubborn objects.

Specialized Cutting Capabilities

Beyond standard pliers functionality, the tool integrates specialized cutting features including a hard wire cutter, wire crimper, and blasting cap crimper—components that highlight its tactical and professional orientation.

Screwdriver Suite

The comprehensive screwdriver set addresses virtually any fastening need with large, medium, and small flathead options alongside a Phillips head screwdriver. This versatility eliminates the need for carrying separate tools in many scenarios.

Utility Tools

Additional utility functions expand the PowerAssist’s capabilities with a 3-sided file for material shaping, can and bottle openers for sustenance access, and a V-cutter specifically designed for quick seatbelt cutting in emergency situations.

Practical Additions

The integrated ruler on the handle provides measurement capability without additional tools, while the lanyard ring offers secure attachment options when working at heights or in precarious positions.

Piano Lock System

The innovative Piano Lock System prevents the common multi-tool problem of tool clumping, ensuring each component locks securely in position during use and stays safely stowed when not needed.

SOG Assisted Technology

The S.A.T. (SOG Assisted Technology) represents a significant tactical advantage in the PowerAssist design. This system enables rapid, one-handed deployment of both blades—a critical feature in emergency situations or when one hand is occupied.

The assisted opening mechanism requires minimal initial force to activate, after which the blade completes its deployment smoothly and efficiently. This contrasts with manual opening systems that demand full manual manipulation throughout the opening process.

Safety hasn’t been compromised for speed. The secure locking mechanism prevents accidental closure during use, ensuring operational integrity during critical applications. This balance of rapid deployment and operational security makes the PowerAssist particularly valuable for first responders and tactical professionals.

The practical benefits extend to everyday scenarios, allowing efficient one-handed operation when the other hand is holding material or otherwise engaged. The result is a smoother user experience that requires less fumbling and reduces task completion time.

Compound Leverage System

The compound leverage system represents SOG’s engineering expertise applied to mechanical advantage. This innovative gearing mechanism effectively doubles the gripping and cutting power compared to conventional pliers of similar size.

This mechanical multiplication translates to significantly reduced effort requirements. Users need less hand strength to accomplish demanding tasks—a considerable advantage during extended use periods or for individuals with limited hand strength.

The system proves particularly effective for tactical applications, excelling at cutting challenging materials including wire fencing, cables, and other resistant materials that would stymie conventional multi-tools. Despite this raw power, the design maintains precision for delicate operations.

Engineering for durability ensures the compound leverage mechanism withstands repeated heavy-duty use without compromise. The system’s gears and components are built to maintain performance integrity even under substantial stress and through thousands of operation cycles.

Value Proposition

The SOG PowerAssist Multi-Tool currently retails at $79.95 on OpticsPlanet, representing a 16% discount from the list price of $94.99. This pricing positions it in the mid-to-premium range for multi-tools, reflecting its advanced features and robust construction.

SOG’s reputation for quality backs this product with solid warranty support, providing assurance for what represents a significant investment in a portable tool. When compared against competitors like Leatherman, Gerber, and other premium multi-tool manufacturers, the PowerAssist distinguishes itself through its assisted opening technology and compound leverage system.

For serious users, this tool represents a long-term investment justified by its durability and expanded functionality. While the initial cost exceeds basic multi-tools, the performance benefits and projected service life create value alignment for professionals and enthusiasts alike.

The inclusion of a quality nylon sheath adds practical value, providing secure storage and convenient transport options right out of the box without requiring additional accessory purchases.

The Verdict

The SOG PowerAssist isn’t trying to be the lightest or flashiest multi-tool—it’s focused on function, reliability, and tactical performance. With standout features like assisted blade deployment, a gear-driven leverage system, and battle-tested construction, it’s well-suited for first responders, service members, and gearheads who need serious tools in a compact form. For $79.95, you’re not just buying convenience—you’re investing in a trusted companion for real-world challenges.