Jaccard, the choice of professional chefs and cooking enthusiasts for more than 40 years!Used by cooking enthusiasts' kitchens around the world. The patented, removable blade cartridge makes clean-up a snap. So easy to clean – the product has earned NSF certification – the only hand-held tenderizer in the industry with such recognition. Fifteen Razor sharp knife blades cut through connective tissues that can make meat tough. Easy to use, this age old technique known as “jaccarding” makes faster, more flavorful, more tender meat! Helps to retain your meat's natural juices.