Check the listing for details. Knife Bevel Grinding Jig Adjustable Knife Making Belt Grinder Angle Grind Guide. Color: Sliver, Condition: New. Listed at 72.90 USD. Features: Multipurpose -- Specifically designed for blade grinding, an indispensable tool for making a good knife, a boon for knifemakers and hobbyists. At the same time, it can also be used for grinding other round, square and any irregular shape tools, stock and other steel manufacturing items. Item Features -- This one tool can achieve the effect of holding the blade firmly without using redundant clamps and tools because of its super strong magnets, making the workbench more concise and orderly, saying goodbye to clutter. Flexible and convenient -- .