The Special Projects Division of Prometheus Design Werx has released their newest iteration of the Invictus folding knife design. The Invictus-IL features a unique handle machined from a solid block of titanium billet.
That’s not surprising as the company often uses titanium in its innovative products. This form of folding knife handle construction required the brand several years and as many machining centers to finally develop, produce, and deliver the highest quality of make in this folding knife. If you’re looking for that special EDC folder, this might be it.
Prometheus Design Werx Invictus-IL Blade of M390 Steel
![]() The SPD Edition of the Prometheus Design Werx Invictus-IL features a 3.5-inch blade of Bohler M390 steel. The Invictus-IL features a 3.5-inch spear-point blade of Böhler M390 steel. It also includes ceramic pivot bearings, signature 5 fullers, lock-bar limiter insert, and dive watch grade luminous inlays in the dual thumb studs. This SPD Edition of the Invictus IL features the Kraken Trident mark representing their Special Projects Division. According to the company’s d team, this version of the Invictus design developed from the original concept the company began seven years ago. The MSRP on the Invictus IL is $479. For more information on this knife and other Prometheus Design Werx products, go to And be sure to check back with KnivesIllustrated.com for more of the latest news from the knife industry. |

The handle of the Invictus-IL is made from a solid block of titanium.
THE SPECS
Model: Prometheus Design Werx SPD Invictus-IL
Type: Folding knife
Blade Steel: Böhler M390
Overall Length: 8.125 inches
Blade Length: 3.50 inches
Construction Type: Mono-Bloc Integral Lock
Weight: 4.4 ounces (12.5g)
Handle: Machined from a Solid Block of 6AL-4V Titanium
Opening Mechanism: Dual thumb studs with Dive Watch Grade GITD Inlays with titanium pivot collar, bronze races, and ceramic bearings
Other: Jimping on blade and handle back strap; lanyard hole; low-ride titanium billet pocket clip
MSRP: $479