MAC Professional knives feature a thin 2.0-2.5-mm. blade for less wedging into cuts, The bolster on the handle provides weight and balance. The weight of the bolster in combination with the thin blades makes these knives extremely well balanced in the center of your hand. The knives have been hardened to 57-61 degrees in Rockwell hardness, while other knives are "softer" and consequently the edges change shape and dull more quickly in use. Cut and slice through most foods using minimal effort. MAC Professional knives have traditional European shapes with a straight handle and pointed tip. Made in Japan.