The Pro has a powerful suction base that really clamps down well while the Apex … When Ben Dale of Edge Pro Inc was originally designing the Apex sharpening system he envisioned it being used primarily by professional knife sharpeners that were looking for a faster … The Edge Pro Apex is, and has been, the default high-end sharpener of the enthusiast knife market for years. The sharpening systems by Edge Pro are renowned for their user friendliness and exceptional sharpening qualities. The stones that come with the Edge Pro … Operationally, with the Apex the "mast" is fixed and the arm moves up and down on it; on the Pro, the arm is fixed to the "mast" and the whole thing moves up and down. Edge Pro Apex vs. Professional, which one is better? Edge Pro Apex 4 The Edge Pro Apex 4 is: professional, flexible, and modular. My personal favorite sharpening system is the Edge Pro Apex. Both achieve the same net result. It is a guided rod sharpener but it works different in principle than the Lansky or … With an infinitely adjustable angle arm, edge profile is completely up to you. Knives can be sharpened at exactly the same angle every time, … The Apex Model Edge Pro is a patented system that will sharpen any size or shape blade (up to 3 ½" wide), including serrated knives. The Edge Pro-family has now expanded with the Edge Pro Professional in addition to the Apex …