Hardness 62 HRCHandle: Titanium Grade 5Backspacer: Titanium Grade 5Clip: Titanium Grade 5Lock: Titanium Grade 5Ceramic ball bearing system made by HermanAdditional hardened stainless washers in bearingsCeramic detent ballTungsten carbide on the lock leafTungsten carbide alloy stop pinCustom TORX T20 pivot with a titanium toolDedicated soft pouch by Robbins Custom Cases included Specs:Overall Length: 8.94" (227mm)Closed Length: 5.04" (128mm)Blade Length: 3.90" (99mm)Blade Thickness: 0.1732" (4mm)Blade Steel: M398Blade Style: Drop PointBlade Finish: StonewashHandle Material: TitaniumPocket Clip: Yes, right hand only, tip upLock Type: LinerlockWeight: 5.5ozCountry of Origin: Poland