WEKNIFE Tighe Down Flipper & Thumb Stud & Button Lock Knife Black Titanium Integral Handle With Black & Yellow Carbon Fiber Inlay (4" Black Stonewashed Bohler M390 Blade, Tanto) WE24054B-1

Specifications: Model Number: WE24054B-1Model Name: Tighe Down Overall Length: 9.13" / 231.9mmWidth: 1.58" / 40.1mmOverall Height (Include Clip): 0.67" / 17mmBlade Length: 4" / 101.6mmClosed Length: 5.13" / 130.3mmBlade Thickness: 0.16" / 4mmHandle Thickness: 0.55" / 14mmKnife Weight: 6.01oz / 170.3g Packing Dimension: 18.6*8.6*3.8cmTotal Weight After Packing: 12.04oz / 341.3g Blade Material: Bohler M390Blade Hardness: 58-60HRCBlade Grind: FlatBlade Finish: Black StonewashedBlade Type: Tanto Handle Material: 6AL4V Titanium With Carbon Fiber InlayHandle Color/Finish: Black, YellowHandle Type: Integral Pocket Clip: Tip-Up, Right CarryClip Material: 6AL4V Titanium with a Ceramic Ball TipClip Color/Finish: BlackScrews / Thumb Stud Material: 6AL4V TitaniumButton Material:  Stainless SteelPivot Cap Material: 6AL4V TitaniumPivot Assembly: Caged Ceramic Ball BearingLocking Mechanism: Button Lock*Note that the button lock is designed with a spring under the button to provide just the right amount of tension so that there is enough resistance to avoid accidental opening, while still offering the ideal amount of pressure to release the lock.  Designer: Brian Tighe