The 'Shadow Para' Folding Knife | Spyderco PM2 Lightweight CTS-BD1N DLC Compression Lock Field Instrument

The Experience

One of the most carried, most trusted, and most imitated folding knives ever produced — now re-engineered for the observer who demands full PM2 performance at 25% less weight, in an all-black configuration built for low-profile field carry. The Spyderco PM2 Lightweight is not a compromise version of the standard PM2. It is a deliberate re-engineering of a world-famous platform around a single design directive: reduce every gram that doesn't contribute to cutting performance, and eliminate every surface that catches light in the field. The 3.47-inch blade is ground from CTS-BD1N stainless steel — Carpenter Technology's nitrogen-enriched high-performance alloy that achieves a blade hardness of 60-63 HRC while maintaining the corrosion resistance that field use in wet, humid, and variable conditions demands — then finished in Black Diamond-Like Carbon coating that simultaneously provides a non-reflective matte finish, enhanced wear resistance, and a measurable reduction in surface friction during the cut. The handle replaces the standard PM2's G-10 scales with injection-molded Fiberglass-Reinforced Nylon — not as a cost reduction, but as a weight reduction — trimming the overall carry weight to 2.8 ounces without sacrificing the structural integrity or grip security the PM2 platform is known for worldwide. Bi-Directional Texture across the FRN scales provides positive grip retention in wet, cold, and gloved field conditions. The patented Compression Lock — Spyderco's proprietary locking mechanism — secures the blade open under lateral load while enabling safe, intuitive one-handed closing that conventional frame and liner locks cannot match without risk of contact with the blade edge. Spyderco's trademark Round Hole opener delivers smooth, ambidextrous one-handed access without a flipper tab, supported by a washer pivot system that maintains consistent action across the full service life of the instrument. A reversible deep-pocket wire clip configures for tip-up carry on either side — placing the Round Hole exactly where it needs to be on the draw, every time. Proudly made in Golden, Colorado — the same facility that has produced Spyderco's American-made instruments for decades. This is the PM2 for the field observer who has always wanted the platform but refused to carry anything that announces itself.

Scientific Engineering

• CTS-BD1N Nitrogen-Enriched Blade Steel: Carpenter Technology's CTS-BD1N is a nitrogen-enriched martensitic stainless steel heat-treated to 60-63 HRC — achieving the edge retention of a high-carbon tool steel while maintaining the corrosion resistance of a premium stainless alloy. Nitrogen enrichment improves both hardness ceiling and corrosion performance simultaneously, producing a blade that holds a working edge through sustained field use in wet and variable conditions without the rust vulnerability that compromises conventional high-carbon steels.
• Black Diamond-Like Carbon Coating: A Physical Vapor Deposition (PVD) Diamond-Like Carbon coating applied to the blade surface provides three simultaneous performance advantages — a non-reflective matte black finish, enhanced surface hardness that extends edge geometry retention beyond uncoated blade performance, and reduced surface friction that lowers cutting resistance across the full blade length.
• Full-Flat Grind Geometry: A full-flat grind produces a blade that is progressively thinner from spine to edge — the geometry that maximizes slicing efficiency, minimizes wedging during cuts, and provides the most versatile cutting performance across the broadest range of field tasks. Combined with the DLC coating's friction reduction, the PM2 Lightweight's blade geometry produces a cutting instrument that consistently outperforms its modest 3.47-inch length.
• Patented Compression Lock Mechanism: Spyderco's proprietary Compression Lock positions the locking bar at the spine of the handle rather than the conventional liner/frame lock position — providing stronger lock-up geometry under lateral load, eliminating the risk of the lock disengaging under side stress, and enabling safe one-handed closing by pressing the lock tab inward without placing fingers in the path of the closing blade.
• Injection-Molded FRN Handle with Bi-Directional Texture: Fiberglass-Reinforced Nylon handle scales are injection-molded to precise dimensional tolerances, providing structural rigidity equivalent to G-10 at approximately 25% less weight. Spyderco's Bi-Directional Texture pattern — with grip features oriented in opposing directions across different handle zones — provides positive retention under both forward cutting pressure and reverse grip orientation.
• Reversible Deep-Pocket Wire Clip: A precision wire clip configured for tip-up carry is reversible for left or right side carry — providing ambidextrous carry flexibility while the deep-pocket geometry minimizes the clip's exposure above the pocket line, reducing snag potential and maintaining the instrument's low-profile field carry presence.

Boutique & Conservation Values

• The PM2 Legacy: The Spyderco PM2 is not merely a popular knife — it is the benchmark against which an entire generation of production folding knives has been measured since its introduction. Carried by backcountry guides, outdoor professionals, and serious field enthusiasts worldwide, the PM2 platform has earned its reputation through decades of field performance rather than marketing. The Lightweight variant delivers that same platform to the observer who prioritizes carry weight and field discretion above all other considerations.
• American-Manufactured Precision: Designed and manufactured at Spyderco's facility in Golden, Colorado — the same American production line responsible for Spyderco's most demanding domestic knife programs. For the observer who insists on American manufacturing provenance in their precision field instruments, the PM2 Lightweight delivers the full PM2 experience without compromise to that standard.
• The Observer's Field Edge: For the estate observer, a quality folding knife is the field instrument that handles everything that optics and illumination cannot — from cutting cordage and opening packaging to precision utility tasks that arise without warning in the field. The PM2 Lightweight's 3.47-inch full-flat ground blade, Compression Lock security, and 2.8-ounce carry weight make it the instrument that earns permanent kit status and disappears into the loadout until the moment it's needed.

Specifications

• Model: Spyderco PM2 Lightweight (C81PBBK2)
• Blade Length: 3.47" (88mm)
• Cutting Edge: 3.08" (78mm)
• Blade Thickness: 0.145" (3.7mm)
• Blade Steel: CTS-BD1N Nitrogen-Enriched Stainless Steel — 60-63 HRC
• Blade Style: Clip Point
• Blade Grind: Full Flat
• Blade Finish: Black Diamond-Like Carbon (DLC)
• Blade Edge: Plain
• Overall Length (Open): 8.29" (211mm)
• Closed Length: 4.82" (122mm)
• Handle Material: Injection-molded Fiberglass-Reinforced Nylon (FRN) — Bi-Directional Texture
• Handle Color: Black
• Locking Mechanism: Compression Lock (patented)
• Opening Mechanism: Spyderco Round Hole — ambidextrous, washer pivot
• Pocket Clip: Reversible deep-pocket wire clip — tip-up, left/right carry
• Weight: 2.8 oz.
• Estimated Shipping Weight: 1 lb.
• Warranty: Spyderco Limited Lifetime Warranty
• Country of Origin: Proudly Made in the USA