Product Details Show: Solid SUS-304 Stainless Steel Casting, extra-thick stable construction, with extra-thick physically powerful 304 chrome steel chain, heavy-duty; It is a extra robust edition of regular door guard chain and offers even more energy in the event of an intruder trying to drive their manner into your property--provides a useful deterrent and a vital postpone in the occasion of housebreaking intruder attempting to achieve access in your premises. With very best satin nickel fiish, will now not rust, remains stainless forever, SGS 72-hour Salt Spray Test, 100 percent durable; Package include 1 x door guard chain as described with mounting screws. WARM HINTS: Be careful when a vendor says his products are made from SUS304 stainless steel but sells them at very low prices! Their merchandise are doubtless manufactured from inferior 201 stainless steel! Because the cost of 304 stainless-steel is nearly five times increased than 201 stainless steel!!! Be a sensible buyer and aren't getting cheated, my friend! Please continually maintain in mind the eternal predominant within the marketplace: costs of products are consistently in share in their quality!!!