Hogue EX-01 Tanto Blade 4" Aluminum Black Knife designed by Allen Elishewitz. Tanto blade with reversible thumb studs. Blade material is 154CM cryogenically treated stainless steel (hardness 57-59 HRC) with a hand-ground blade. PushButton lock with manual safety lock. Handle is aluminum. Pocket clip is on the right, buttplate includes a lanyard grommet. Overall knife length 225mm, blade length 102mm and handle length 123mm.Made in USA.