The Mac Professional Hollow Edge Chef's Knife (MTH-80) is the most commonly used size in both the home and professional kitchen. The blade allows this knife to easily cut, slice, and dice almost any food. The hollow edges help the knife to glide through sticky foods such as potatoes, apples, and summer squash. The weight of the bolster in combination with the blade makes this extremely well balanced in the center of your hand. The Paring Knife (PKF-30) is the most common size for peeling and paring. Great for precision or intricate work off of the cutting board. The pointed tip can be used for intricate melon carving or simply for removing the stems from strawberries and tomatoes. The weight of the bolster in combination with the blade makes this extremely well balanced in the center of your hand. Cut through most foods using minimal effort. Made in Japan with a 25-year warranty.