The Jaccard Meat Maximizer 45-Blade Meat Tenderizer with Stainless Steel Columns and Removable Blade Cartridge is used in great 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. 45 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.