Model No.: MT2803BK/MT2803PL/MT2803MCSize: 2.36″*0.89″*0.26″ (60*22.7*6.5mm)Bulk Material: 420J2 Stainless SteelSpring Material: 304 Stainless SteelWeight: 0.21 oz. (6g)Finish: Black Titanium/Polishing/Rainbow Titanium