Jaccard 200348T, 48 Blade Durable Meat Tenderizer with Stainless Steel Razor Sharp Needle, Cooking Gadget for Tenderizing Chicken, Beef, Pork, Veal, BBQ, Tan 0717887095257 The 12" x 12" and 0840017301444 The 12" x 12" and 12" x 24" reference marks match Cricut machine mat sizes Contoured backrest conforming to ergonomic principle relieves your back stiffness Jaccard Meat Tenderizer: The tenderizer is made from the highest quality materials and is built for performance and durability Razor Sharp Blades: The meat tenderizer has razor sharp double edge knives that effortlessly cut through the connective tissue in meat that can cause it to be tough