This clamp is intended to be attached to a bench-top, tabletop, or other sturdy surface.  Once mounted, its pedestal post makes a perfect hands-free mount for use with the Lansky Controlled Angle Sharpening System. A unique, two-piece design featuring aircraft grade-aluminum providing heirloom quality construction that Lansky's known for. Universal Table-top Compatibility. 2-Piece Aircraft-Grade Aluminum Construction. Intended for use with Lansky Controlled Angle Sharpening Systems. Pedestal post makes a perfect hands-free mount. Aircraft grade-aluminum.