Spyderco Cobol C273TI open — Böhler M390 satin hybrid tanto blade, gray titanium handle, SLIPIT non-locking, Paul Alexander design

Spyderco Cobol C273TI Böhler M390 hybrid tanto — saber flat grind, 3.63 in, 0.098 in thin, 60-63 HRC, satin finish, plain edge

Spyderco Cobol C273TI gray titanium handle — precision-machined, finger choil, SLIPIT mechanism, reversible wire clip, 2.2 oz

Spyderco Cobol C273TI SLIPIT ball-joint mechanism — non-locking spring arms bearings, gray titanium, stay-open without lock

Spyderco Cobol - 3.63" Böhler M390 Satin Hybrid Tanto Plain Blade, Gray Titanium Handle - C273TI

SKU: C273TIP-J-271

Spyderco Knives

$352.00 $234.99

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Overview
Warranty Information

Product Description

The Spyderco Cobol C273TI is one of the more interesting knives Spyderco has produced in recent years — and that is saying something. Designed by Paul Alexander, the Cobol fuses a Japanese katana's upswept blade aesthetic with an Americanized tanto tip in Böhler M390 at 60-63 HRC, wrapped in a precision-machined solid gray titanium handle, and closed with Spyderco's SLIPIT non-locking ball-joint mechanism. For buyers in regions with strict knife regulations, the SLIPIT makes this one of the most capable non-locking EDC folders available anywhere at this price point. For everyone else, it is simply a beautiful 3.63" M390 titanium folder designed by one of the more thoughtful designers working in production knives today.

The blade is ground from Böhler M390 — an Austrian third-generation powder metallurgy stainless steel engineered for exceptional edge retention, maximum corrosion resistance, and a fine carbide structure that takes and holds a sharp edge through extended use. At 60-63 HRC, Böhler M390 is among the hardest and most wear-resistant production knife steels available. The 3.63" hybrid tanto profile is the Cobol's defining visual element: it takes the upswept, graceful lines of a katana grind and meets them with the reinforced angular tip geometry of an Americanized tanto — versatile cutting along the primary edge with hard-use tip strength at the point. The grind transitions from a saber grind at the spine to a flat grind toward the edge, optimizing the geometry for both slicing performance and piercing capability. The satin finish across the blade surface is clean and refined.

The SLIPIT mechanism is what makes the Cobol unique in the Spyderco lineup. Rather than a conventional locking mechanism, the Cobol uses an advanced ball-joint SLIPIT — integral spring arms and seated ball bearings that provide smooth, tactile stay-open resistance without mechanically locking the blade. The result is a folder that opens and holds open reliably for use, but closes with intentional hand pressure rather than a lock release — making it legally compliant in many jurisdictions where locking knives are restricted. The handle is precision-machined from solid gray titanium, providing a high strength-to-weight ratio in a sophisticated bead-blasted chassis. A generous finger choil improves control and grip positioning. The reversible deep-pocket wire clip provides ambidextrous tip-up carry. Made in Italy by Spyderco.

Steel: Böhler M390 powder metallurgy stainless steel, 60-63 HRC — Austrian third-generation PM steel; exceptional edge retention, maximum corrosion resistance, fine carbide structure for a sharp, long-lasting edge
Blade: 3.63" hybrid tanto profile, saber-to-flat grind transition, satin finish, plain edge — 0.098" thin; katana upswept aesthetics meet Americanized tanto tip strength; Paul Alexander design
Handle: Solid gray titanium, precision-machined — bead-blasted finish; finger choil for improved grip positioning; 4.77" closed, 8.25" overall; 2.2 oz
Lock: SLIPIT — Spyderco's advanced ball-joint non-locking mechanism; integral spring arms and seated ball bearings; stay-open without mechanical lockup; legally compliant in many restricted jurisdictions
Clip: Reversible deep-pocket wire clip — ambidextrous tip-up right/left carry; discreet low-ride carry position
Warranty: Spyderco manufacturer lifetime guarantee — from an authorized Spyderco dealer at Knifeworks
Origin: Made in Italy — Spyderco production

Buyers in regions where locking knives are restricted who want a premium EDC — the SLIPIT provides stay-open reliability without the mechanical lockup that triggers many knife regulations. Böhler M390 collectors who want the steel on a titanium-handle folder with Paul Alexander's hybrid tanto geometry. Spyderco collectors who appreciate the Cobol's unique design language at the intersection of Japanese and Western blade traditions.

Knifeworks is an authorized Spyderco dealer — order the Spyderco Cobol C273TI online or call our team at 888-225-9775. Same or next business day shipping from Columbia, Louisiana, with the service Knifeworks is known for.

Specifications:

Product Type	Folding Knife
Product Brand	Spyderco
Product Line	COBOL
Item Number	C273TI
Designer	Paul Alexander
Blade Length	3.63 inches
Blade Steel	Böhler M390 Powder Metallurgy Stainless Steel (60-63 HRC)
Blade Thickness	0.098 inches
Blade Profile	Hybrid Tanto
Blade Grind	Saber-to-Flat Grind Transition
Blade Edge	Plain
Blade Finish	Satin
Handle Material	Solid Gray Titanium — Precision-Machined, Bead-Blasted
Handle Color	Gray
Lock Type	SLIPIT (Non-Locking Ball-Joint Mechanism)
Opening Mechanism	Spyderco Round Hole — Manual
Pocket Clip	Reversible Deep-Pocket Wire Clip, Tip-Up, Ambidextrous (Right/Left)
Special Features	Finger Choil; SLIPIT for Legally Restricted Jurisdictions
Overall Length	8.25 inches
Closed Length	4.77 inches
Weight	2.2 oz
Origin	Made in Italy
Blade Range	3.5-3.99

Warranty Information

Spyderco provides a manufacturer lifetime guarantee against defects in materials and workmanship on this knife. For warranty service, contact Spyderco directly at spyderco.com.

Product Videos

Custom Field

Product Type Folding Knife

Product Brand Spyderco

Product Line COBOL

Item Number C273TI

Designer Paul Alexander

Blade Length 3.63 inches

Blade Steel Böhler M390 Powder Metallurgy Stainless Steel (60-63 HRC)

Blade Thickness 0.098 inches

Blade Profile Hybrid Tanto

Blade Grind Saber-to-Flat Grind Transition

Blade Edge Plain

Blade Finish Satin

Handle Material Solid Gray Titanium — Precision-Machined, Bead-Blasted

Handle Color Gray

Lock Type SLIPIT (Non-Locking Ball-Joint Mechanism)

Opening Mechanism Spyderco Round Hole — Manual

Pocket Clip Reversible Deep-Pocket Wire Clip, Tip-Up, Ambidextrous (Right/Left)

Special Features Finger Choil; SLIPIT for Legally Restricted Jurisdictions

Overall Length 8.25 inches

Closed Length 4.77 inches

Weight 2.2 oz

Origin Made in Italy

Blade Range 3.5-3.99

Product Reviews

SLIPIT — Premium Non-Locking for Restricted Carry

Spyderco’s advanced ball-joint SLIPIT provides stay-open reliability without mechanical lockup — legally friendlier in many restricted jurisdictions. Böhler M390 in a titanium folder with no compromises on steel or build quality.

Böhler M390 — Hybrid Tanto, Gray Titanium

Third-generation PM stainless at 60-63 HRC. Paul Alexander’s hybrid tanto blends katana aesthetics with Americanized tanto tip strength. Saber-to-flat grind. Precision-machined solid gray titanium handle. Made in Italy.

Authorized Dealer — Spyderco Lifetime Guarantee

Knifeworks is an authorized Spyderco dealer. Every C273TI purchased here carries Spyderco’s manufacturer lifetime guarantee against defects in materials and workmanship.

Same or Next Business Day Shipping

In-stock orders ship from Columbia, Louisiana. Questions? Call 888-225-9775 — our team carries these knives daily.

Spyderco Cobol C273TI: Frequently Asked Questions

Common questions about the Spyderco Cobol Böhler M390 SLIPIT folder, answered by the Knifeworks team.

What is the SLIPIT mechanism on the Spyderco Cobol, and why does it matter for knife regulations?

SLIPIT is Spyderco’s non-locking slip joint mechanism — and the Cobol’s version is particularly advanced. Rather than a simple leaf spring, the Cobol uses an integrated ball-joint system with internal spring arms and seated ball bearings that provide smooth, tactile stay-open resistance. When fully open, the SLIPIT holds the blade securely in place for use; to close, you apply intentional hand pressure that overcomes the spring resistance — no button to press, no lock to release. In many jurisdictions that restrict locking knives, non-locking folders are permitted where locking blades are not. The Cobol delivers Böhler M390 and titanium construction in a format that is legally compliant in many of those markets. Always verify local knife laws in your specific jurisdiction before purchasing.

What steel is the Spyderco Cobol C273TI made from, and why is Böhler M390 significant?

The Cobol uses Böhler M390 — an Austrian third-generation powder metallurgy stainless steel engineered for exceptional edge retention, maximum corrosion resistance, and a fine carbide structure that takes and holds a highly refined edge. At 60-63 HRC, Böhler M390 sits at the top tier of production knife steel hardness and wear resistance. It is one of the most sought-after steels in the production knife market, and its presence in the Cobol means you are getting world-class edge performance in a non-locking folder — a combination that is difficult to find at any price point.

What is the hybrid tanto blade profile on the Cobol, and what makes it unique?

The Cobol’s hybrid tanto was designed by Paul Alexander to merge two distinct blade traditions. The upswept, graceful curve along the spine and body of the blade references the katana geometry of traditional Japanese sword design — elegant, refined, and optimized for drawing cuts. The tip geometry, however, transitions to an Americanized tanto: a reinforced, angular point where the secondary edge meets the primary edge at a strong angle, providing the penetration capability and tip strength of a tactical tanto. The grind transitions from a saber grind at the spine to a flat grind toward the edge, optimizing the blade for both slicing efficiency and piercing strength. The result is a blade profile that is genuinely unlike anything else in the Spyderco catalog.

What is the handle material on the Spyderco Cobol, and why was titanium chosen?

The Cobol handle is precision-machined from solid gray titanium — not titanium-coated or titanium-framed with other materials, but a solid titanium chassis machined from a single piece. Titanium provides an exceptional strength-to-weight ratio, natural corrosion resistance without coating, and a material character that is noticeably different in hand from aluminum or steel. The bead-blasted gray finish gives the handle a sophisticated, matte appearance that wears well in daily carry. The finger choil at the blade/handle junction improves grip positioning and control for precise cutting tasks.

Is the Spyderco Cobol C273TI made in the USA like most Spyderco knives?

No — the Cobol is made in Italy, not at Spyderco’s factory in Golden, Colorado. Spyderco operates production facilities and partnerships in multiple countries, and the Cobol was developed and manufactured in Italy. Italian knife manufacturing is known for precision engineering and premium material handling — the quality standard on the Cobol reflects this. It carries Spyderco’s manufacturer lifetime guarantee regardless of origin.

What are the full dimensions and weight of the Spyderco Cobol C273TI?

Blade length: 3.63 in. Blade thickness: 0.098 in. Overall open: 8.25 in. Closed length: 4.77 in. Weight: 2.2 oz. Böhler M390, 60-63 HRC, saber-to-flat grind, hybrid tanto, satin finish, plain edge. Solid gray titanium handle, precision-machined. SLIPIT non-locking ball-joint mechanism. Finger choil. Reversible deep-pocket wire clip, tip-up ambidextrous. Made in Italy. Knifeworks ships same or next business day from Columbia, Louisiana — call 888-225-9775 with any questions.

Böhler M390 60-63 HRC · Hybrid Tanto · Saber-to-Flat Grind · SLIPIT Non-Locking · Gray Titanium · 2.2 oz · Paul Alexander · Made in Italy · Lifetime Guarantee · Authorized Dealer

Böhler M390. Hybrid tanto. Paul Alexander. Solid gray titanium. SLIPIT non-locking. 2.2 oz. Made in Italy. The Cobol is the premium non-locking folder that doesn’t ask you to compromise on steel.

Knifeworks is an authorized Spyderco dealer. The Cobol C273TI ships same or next business day from Columbia, Louisiana, with Spyderco’s manufacturer lifetime guarantee. Questions? Call 888-225-9775 — our team carries these knives daily.

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