EDC Knuckles – TC4 Titanium Ring | 82g Aerospace Grade. Two Functions. Zero Compromises.The best EDC knuckles do more than one thing. This TC4 aerospace titanium knuckle ring combines solid self-defense capability with a built-in bottle opener — precision-crafted from the same titanium grade trusted in aerospace applications. At 82g and 14mm thick, it's built to be felt. Available in full black titanium coating for stealth carry or polished titanium for a clean premium look. Crack open a cold one after work, then clip it to your EDC kit for the commute home. Material: TC4 aerospace titanium — exceptional strength-to-weight ratio, corrosion-proof, built for decades of daily carry Multi-Function: Self-defense knuckle ring + integrated bottle opener in one precision-crafted EDC tool Construction: 14mm solid thickness for structural integrity and real impact resistance Finishes: Full black titanium coating (stealth) or polished titanium (premium) — both built to last Weight: 82g — heavy enough to perform, light enough to pocket without thinking twice Material: TC4 Titanium Alloy (Aerospace Grade) Weight: 82g Thickness: 14mm Colors: Black / Grey (Polished) Function: Self Defense Knuckle + Bottle Opener Style: Tactical EDC / Multi-Tool Perfect For: EDC enthusiasts who demand aerospace-grade materials, multi-tool collectors who want maximum function in minimal form, self-defense tool users seeking premium titanium construction, and anyone searching for a high-end tactical gift that earns its place in the carry every single day.