ALL work is 100% guaranteed. Do you have scissors or knives that need to be sharpened? EdgePro will sharpen your barber scissors, or any knife, to a whole new level of sharpness. You will get an edge that is 2x-4x as sharp as the day you bought it...guaranteed!!! The polished edge will also retain its sharpness much longer than standard sharpening systems can provide. Special group rates available. Please call for pricing since seasonal specials change monthly.