Combat Tactical Knife v2 Low-poly 3D model is available on CGTrader for $24. Original author: protuberanka. Specs: 6303 polys, 6276 verts.
MAX (Autodesk 3ds Max, filesize: 746 MB), BLEND (Blender, filesize: 746 MB), OBJ (OBJ, filesize: 746 MB), FBX (Autodesk FBX, filesize: 746 MB), MAX (Autodesk 3ds Max, filesize: 746 MB), GLTF (glTF, filesize: 746 MB), USDZ (USDZ, filesize: 746 MB), TBSCENE (Marmoset Toolbag, filesize: 373 MB)