This Meat Tenderizer is made of High Quality 304 stainless steel and premium plastic. Will not be corroded and get rusty. ABSORB FASTER AND COMPLETELY - 304 Stainless steel prongs break down meat fibers/connective tissues and makes marinade to absorb better and faster,also hastening the cooking time. KEEP MEAT SHAPE & FIBERS WELL - This Meat Tenderizer tool keeps meat shape and fibers well while meat hammer/mallet destroy shape and fibers. and you will be tired of cleaning blood and meat bits caused by meat hammer/mallet. LIFE-TIME GUARANTEE - We take pride in this meat tenderizer needle and we back it up with a lifetime guarantee. Every parts of this product are made of premium quality materials. Have the confidence that this tenderizer needle will last, if there areany issues just contact us and we'll make it right. Order now and be assured that this product will live up to your expectations, guaranteed.