The 'Slysz Precision' Folding Knife | Spyderco Techno 3 CTS-XHP Titanium Frame Lock Field Instrument

The Experience

Compact enough to disappear into a jacket pocket, precise enough to earn permanent kit status — the Spyderco Techno 3 is the third-generation production expression of Polish custom knifemaker Marcin Slysz' celebrated "Mouse 3" folder, handcrafted in Maniago, Italy and faithfully translated from a coveted custom piece into one of the most refined precision folding knives in Spyderco's collaboration lineup. The blade is 2.64 inches of CTS-XHP stainless steel — Carpenter Technology's premium high-chromium, high-carbon stainless alloy that simultaneously achieves the edge retention of a tool steel and the corrosion resistance of a high-grade stainless, a metallurgical combination that most blade steels are forced to trade one for the other. A high flat grind with a satin finish and a refined swedge produces a blade geometry optimized for low-friction cutting performance and precise point utility — the geometry of an instrument designed for the observer who uses their field knife with intention rather than force. The handle scales are precision-machined from solid titanium with faceted chamfers that enhance both the ergonomics and the visual refinement of the instrument, producing a grip that feels immediately correct in hand and remains so through extended field use. The locking mechanism is the Reeve Integral Lock — engineered by legendary knifemaker Chris Reeve and refined here with a steel interface and overtravel stop that eliminates the blade play that lesser frame lock implementations develop over time. The blade opens via an index-finger tab supported by ball bearing pivot washers that deliver a smooth, frictionless, one-handed action the moment your finger finds the opener. The meticulously machined titanium pocket clip — secured with internal screws that disappear into the handle's clean profile — is configured for right-side, tip-up carry that places the opener exactly where it needs to be for immediate one-handed access. This is the field instrument for the observer who understands that the finest folding knife is the one that earns its place in the kit and never leaves it.

Scientific Engineering

• CTS-XHP High-Performance Blade Steel: Carpenter Technology's CTS-XHP is a high-chromium, high-carbon stainless steel that achieves an exceptional balance of edge retention and corrosion resistance — properties that most blade steels trade against each other. The result is a blade that maintains a working edge through sustained field use while resisting the rust and pitting that compromise conventional stainless steels in wet and humid outdoor environments.
• High Flat Grind with Satin Finish and Swedge: A high flat grind geometry produces a blade that is thin behind the edge for superior cutting performance, while the full-thickness spine maintains structural integrity for sustained field tasks. The satin finish and refined swedge provide both aesthetic refinement and enhanced point utility for precise cutting applications.
• Reeve Integral Lock with Steel Interface and Overtravel Stop: The R.I.L. frame lock mechanism — designed by master knifemaker Chris Reeve — is reinforced with a steel interface that prevents the titanium lockbar from wearing the blade's steel tang over time, while a precision overtravel stop eliminates blade play and maintains lock-up geometry across thousands of opening and closing cycles.
• Ball Bearing Pivot Washers: Precision ball bearing pivot washers replace conventional phosphor bronze or PTFE washers, producing a frictionless blade opening action that remains consistently smooth regardless of environmental conditions, blade steel, or accumulated field use.
• Solid Titanium Handle with Faceted Chamfers: Handle scales precision-machined from solid titanium deliver a superior strength-to-weight ratio compared to stainless steel, G10, or polymer alternatives — with faceted chamfers that enhance both ergonomic grip geometry and the instrument's visual refinement without adding material or weight.
• Machined Titanium Pocket Clip with Internal Screw Attachment: A meticulously machined titanium clip secured with internal screws maintains the handle's clean, uninterrupted profile while providing reliable tip-up, right-side carry retention that places the opener in the optimal access position every time.

Boutique & Conservation Values

• The Marcin Slysz Collaboration: Since 1990, Spyderco has partnered with the world's finest custom knifemakers to translate coveted handmade designs into precision production instruments. The Techno 3 represents the sixth Slysz collaboration — a direct lineage from the "Mouse 3" custom folder that knife enthusiasts worldwide have pursued at custom prices. Owning the Techno 3 is owning a piece of that custom design tradition at a production price point.
• Handcrafted in Maniago, Italy: The Techno 3 is manufactured in Maniago — a northern Italian city with an unbroken knife-making tradition spanning over six centuries, widely recognized as one of the world's premier centers of precision cutlery craftsmanship. It is not simply made in Italy. It is made where knife-making has been practiced as a serious discipline since the 14th century.
• The Observer's Precision Edge: For the estate observer, a quality folding knife is not an afterthought — it is the utility instrument that handles everything the field presents that optics and illumination cannot. The Techno 3's CTS-XHP blade, titanium construction, and R.I.L. lock make it the precision field cutting instrument that earns permanent kit status and never gets left behind.

Specifications

• Model: Spyderco Techno 3 (C158TIP3)
• Designer: Marcin Slysz
• Blade Length: 2.64" (67mm)
• Cutting Edge: 2.48" (63mm)
• Blade Thickness: 0.127" (3.2mm)
• Blade Steel: CTS-XHP Stainless Steel
• Blade Style: Sheepsfoot with Swedge
• Blade Grind: High Flat
• Blade Finish: Satin
• Blade Edge: Plain
• Overall Length (Open): 6.32" (161mm)
• Closed Length: 3.70" (94mm)
• Handle Material: Solid Titanium — faceted chamfered scales
• Handle Color: Gray
• Locking Mechanism: Reeve Integral Lock (R.I.L.) — steel interface, overtravel stop
• Opening Mechanism: Index-finger flipper with ball bearing pivot washers
• Pocket Clip: Machined titanium — tip-up, right-side carry, internal screw attachment
• Weight: 3.3 oz. (93g)
• Estimated Shipping Weight: 1 lb.
• Warranty: Spyderco Limited Lifetime Warranty
• Country of Origin: Handcrafted in Maniago, Italy