The TC21 Titanium Two-Finger Knuckle Duster is a compact, precision-machined knuckle duster built for pocket carry. Just 60mm × 64mm in footprint but a full 15mm thick, it packs roughly 98.8g of aerospace-grade TC21 titanium into a palm-sized frame — dense, solid and unmistakably premium in the hand. The layout is simple and effective: two round finger holes up top, an integrated bottle opener below, and a twin-peak top edge with a center dip that follows the natural line of your knuckles.

Specifications

Type: Two-finger EDC knuckle duster with bottle opener
Material: Solid TC21 titanium alloy, CNC-machined
Finish: Stonewashed matte titanium
Size: 60mm × 64mm × 15mm
Finger holes: 2 holes, 23.8mm diameter
Weight: about 98.8g
Features: Twin-peak top edge, integrated bottle opener (also accepts a lanyard loop), fully chamfered edges

Two-Finger Layout, Low-Profile Grip

Unlike classic four-finger designs, this knuckle duster uses a two-finger layout: your index and middle fingers pass through the twin round holes (23.8mm diameter, sized for adult fingers), locking the piece flat and tight against the palm. The result is a shorter, faster, much easier-to-pocket grip than a full-size duster. Both finger holes are chamfered on every edge, so nothing bites into the skin, and the fully radiused outer rim keeps the whole body comfortable from every angle.

Built-In Bottle Opener

The oblong opening at the bottom is a dedicated bottle opener. The shaped inner notch seats securely under a bottle cap, letting you lever caps off one-handed with the leverage of solid titanium — no separate tool needed. The same opening also accepts a lanyard or cord loop: there is no separate lanyard hole, but a cord hooks perfectly through the bottle-opener cutout for pocket or bag carry.

Twin-Peak Top Edge

The top edge rises into two smooth peaks with a soft dip in the center — a sculptural detail that also gives your knuckles a natural seat when gripping. Combined with the rounded side walls and fully chamfered edges, the silhouette stays flowing and comfortable, with no sharp corners or lugs anywhere on the body.

Aerospace-Grade TC21 Titanium

TC21 is a high-strength titanium alloy developed for aerospace structural components — it offers a strength-to-weight ratio well beyond stainless steel, with outstanding corrosion resistance. This knuckle duster is CNC-machined from solid TC21 titanium: hypoallergenic and comfortable even against bare skin in hot and humid weather. At 15mm thick, the solid titanium body has the kind of in-hand density that aluminum pieces of this size simply cannot match.

Stonewashed Titanium Finish

The surface is stonewashed — tumbled with abrasive media until it develops a soft, matte, slightly textured grey sheen. The stonewash finish is one of the most practical finishes for a titanium EDC piece: it hides micro-scratches, resists fingerprints. No coating, no plating — just the natural color of the metal itself.

Novelty EDC Collectible & Desk Paperweight

This item is sold as a novelty collectible knuckle duster, desk ornament and compact EDC paperweight — a small, dense piece of CNC-machined titanium for display trays, pockets and collectors who prefer a discreet two-finger format with real tool function.