The Knife Vault — Est. 2015

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Carried Every Day: The Complete EDC Knife Guide

The Vault Guides · Dossier

Anatomy of a Pocket Knife (Labeled)

6 min read · By The Knife Vault Editorial Team

A pocket knife looks like one object and is five decisions stacked: what cuts, how it moves, what keeps it open, what you hold, and how it rides. This dossier is the labeled diagram in words and cards — the anatomy we would draw on the counter.

When a listing says "titanium frame, ceramic bearings, front flipper, M390," it is naming four of those five at once. Learn the parts once. Spec sheets get quieter.

01 The five parts, labeled

Start at the edge and walk back to the clip. Everything in between is either helping the cut or getting out of its way.

Pocket knife anatomy — the labeled map
  • 1 · Blade

    Steel, shape, grind. The only part that cuts. Read this first on any spec sheet — named alloy, HRC, silhouette.

  • 2 · Pivot

    The axle the blade turns on. Washers are honest friction; caged ceramic bearings are hydraulic-smooth and cost more. Either can be excellent if the detent is right.

  • 3 · Lock

    The piece that keeps an open blade from closing on your fingers. Liner, frame, back, or crossbar. Boring and strong beats novel. This is safety, not jewellery.

  • 4 · Handle / scales

    What the hand votes on. Titanium can be the lock (frame lock). G10, micarta, and wood are liners wearing clothes. Hot spots show up on the second box, not in the photo.

  • 5 · Clip

    How the knife rides. Tip-up, deep-carry, and a clip that does not shred the pocket are how a tool becomes daily. A knife you cannot clip is a drawer ornament with ambition.

  • Detent & jimping

    The detent ball keeps the blade shut in a pocket. Jimping is the grooved traction on the spine for a thumb. Small parts; large daily difference.

02 How to read a spec sheet with this map

Steel first, lock second, weight third, shape fourth, clip last. Pattern, colour, and “tactical” adjectives are not on the map because they do not cut, lock, or ride.

The blade-shape grid is the silhouette half of this anatomy. The lock dossier is the safety half. Carry law in Canada is the legal half — a manually opened folder, used as a tool.

Frequently Asked Questions

Questions from the Counter

What are the parts of a folding knife?
Blade, pivot, lock, handle, and clip — plus a detent that keeps the blade shut and optional jimping for thumb traction. Learn those and a spec sheet stops being a foreign language.
What is a detent on a knife?
A sprung ball or pin that holds the closed blade in the handle until you open it. Too light and the knife opens in a pocket. Too heavy and the flip feels like a chore.

From the Page to the Palm

Reading about steel is one thing. Holding it is the other.

Every claim in this guide is backed by a piece on the shelf — titanium edc steel, named and priced plainly in CAD.

Shop folders whose spec sheets name the parts →

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