This Knife
- Blade: Black DLC-finished drop point blade made from Bohler M390 steel.
- Opener: Milled thumb stud opener with a ball bearing pivot.
- Handle: Black DLC-finished grade 5 titanium handle with gray hardware.
- Lock: Titanium frame lock with a steel lockbar insert.
- Carry: Gray titanium pocket clip for right-side, tip-up carry.
Theory Series
The Arcform Theory is a modern interpretation of the classic titanium folder, emphasizing simplicity and functionality without compromise. Driven by the principle of offering only the essentials, each facet of this knife is meticulously thought out. At its heart lies a broad Bohler M390 blade that offers exceptional action thanks to ceramic bearings. Unique to the Theory is its milled titanium thumb studs, offering superior purchase and comfort when deploying the blade. We have a theory—if you pick up an Arcform Theory, you'll be happy you did.
Arcform Knives
Arcform Knives began with the goal of bringing fine-tuned tools to human hands. It produces high-quality, functional pocket knives and tools built with the needs of the everyman in mind. Arcform offers a fusion of brilliant design and precise attention to detail, paired with materials made to last.
Copyright © 2026 Blade HQ. All rights reserved