First step presharpens removing old edge.
Orbiting Diamonds hone edge to razor sharpness then micro diamonds hone and polish to create the unique Trizor edge. Safe for quality knives-never detempers Fast and easy to use. Compact and easy to use. Safe for quality knives - never detempers. Stage 2 hones by putting the 2nd bevel on both sides of the blade simultaneously while polishing the edge to razor sharpness.