Inverted blade serration for a prolonged cutting edge. Inverted serration gives you the smooth cut of a fine edge, blade that will stay sharp over years of use. This high and low serration distributes blade wear and tear, throughout a two-step process; delaying potential dulling. As the larger teeth wear down on hard ceramic surfaces, the smaller teeth between remain sharp. Inverted blade serration for a prolonged cutting edge Inverted serration gives you the smooth cut of a fine edge, blade that will stay sharp over years of use This high and low serration distributes blade wear and tear, throughout a two-step process; delaying potential dulling As the larger teeth wear down on hard ceramic surfaces, the smaller teeth between remain sharp.