$29 Tool Knife 3D model by Polygate. Available on CGTrader with 25585 polys and 25878 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 507 KB), MAX (Autodesk 3ds Max, filesize: 2.73 MB), 3DS (3D Studio, filesize: 395 KB), MA (Autodesk Maya, filesize: 835 KB), MEL (Maya Mel Script, filesize: 835 KB), FBX (Autodesk FBX, filesize: 1.07 MB)