Techsun Professional Stainless Steel Needle Knives Cooking Meat Tenderizer Tool Meat Tenderizer Heavy-duty spring loaded mechanism Stainless steel prongs needles break down tough meat fibers easily Pierce meat before marinating to enhance the flavor. Helps reduce cooking time by up to 40 percent; helps meats cook more evenly by reducing shrinkage Tiny heat channels are created without changing shape or appearance of meat, resulting in faster penetration of marinades . Meat Tenderizer will improve the texture and taste of poultry, fish and beef, while also hastening the marinating and cooking time. A practical solution for turning a tough cut of meat into a delicious, tender piece of meat. Has 24 stainless steel prongs. Material : Plastic Body & Handle; Stainless Steel Needles