Knife Blade Sharpening Jig Tormek SVM-45. The Knife Jig that Turns Your Tormek Sharpening System T-7, T-4, T-3, etc. into a Professional Knife Sharpener. Used for Most Knives with a Width of 1-3/4-Inches Longer Knives need to be Stiff It can also be Used for Carver's Draw Knives The Jig Rests Freely on a Universal Support The Universal Support can be Placed Vertically or Horizontally