Amazon.com : Cold Steel SR1 Series Tactical Folding Knife with Tri-Ad Lock and Pocket Clip, SR1 Lite : Sports & Outdoors
Cold Steel 62K1 SR1 Lite - 4.0" Clip Point 8Cr13MoV Blade - Tri-Ad® Lock - Black Griv-Ex Handle
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Smoky Mountain Knife Works - How Strong is the Triad Lock? | Facebook | By Smoky Mountain Knife Works | T.C. takes an in depth look at how the Triad Lock works