Heckler and Koch Enigma Folding Knife Combo with Edged Coated Blade (Black, 6.9-Inch) Rolling-lock mechanism with Reverse Tanto Combo-edged coated blade Ambidextrous dual thumb studs The blade length is 2.9-Inch with an overall length of 6.9-Inch It has reinforced nylon scales with reversible tip-up pocket clip