Specifications:Model Number: C22025B-3Model Name: Sentinel StrikeOverall Length: 8.61" / 218.7mmWidth: 1.47" / 37.4mmOverall Height(Include Clip): 0.63" / 16mmBlade Length: 3.7" / 94mmClosed Length: 4.91" / 124.7mmBlade Thickness: 0.12" / 3mmHandle Thickness: 0.47" / 12mmKnife Weight: 3.47oz / 98.3gPacking Dimension: 15.3*6.5*3.3cmTotal Weight After Packing: 6.08oz / 172.3gBlade Material: K110Blade Hardness: 59-61HRCBlade Grind: FlatBlade Finish: BlackBlade Type: Reverse TantoHandle Material: AluminumHandle Color/Finish: BlackIntegral Backspacer Material: FRNBackspacer Color/Finish: OD GreenAluminum Handle With FRN Integral Spacer; With A Glass Breaker TipPocket Clip: Tip-Up, L/RClip Material: Stainless SteelScrews / Thumb Stud Material: Stainless SteelPivot 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.