Perfect your sharpening capabilities with the Lansky Mounting System. Exclusive features allow convenient and accurate sharpening of multiple knives and large size blades. A unique, two-piece design featuring aircraft grade aluminum construction. Compact, lightweight aluminium C-Clamp base for easy secure set up anywhere. C-Clamp base mounts vertical or horizontal, 2 piece mount disassembles for easy storage, 360 degree rotation: The knife and controlled angle sharpening system fully rotate on this mount, Exclusive, patented flip over feature allows sharpening of both sides of the blade