**TacticalGearz Premium Stainless Steel Folding Knife. Gunmetal Titanium (TiN) over Stainless Steel Handle. Ball bearing pivot system gives this knife a smooth friction free open. This knife Is Iightweight yet durable! Great looking knife that will definitely impress and not disappointe. Blade: High Quality Polished D2 Steel Classic Straight Edge......... What is D2 Steel?...D2 Tool Steel is a versatile high-carbon, high-chromium, air-hardening tool steel that is characterized by a relatively high attainable hardness and numerous, large, chromium-rich alloy carbides in the microstructure. These carbides provide good resistance to wear from sliding contact with other metals and abrasive materials.