Product Details Show: Solid SUS-304 Stainless Steel Casting, extra-thick strong construction, with extra-thick physically powerful 304 chrome steel chain, heavy-duty; It is a extra robust edition of standard door guard chain and gives even more energy within the occasion of an interloper attempting to pressure their manner into your property--provides an invaluable deterrent and an important put off in the event of burglary intruder trying to gain entry in your premises. With ultimate satin nickel fiish, will no longer rust, stays stainless forever, SGS 72-hour Salt Spray Test, 100% durable; Package consist of 1 x door guard chain as described with mounting screws. WARM HINTS: Be careful when a seller says his merchandise are made from SUS304 stainless steel but sells them at very low prices! Their products are likely fabricated from inferior 201 stainless steel! Because the price of 304 chrome steel is nearly five instances higher than 201 stainless steel!!! Be a smart buyer and don't get cheated, my friend! Please continually hold in mind the eternal important in the marketplace: charges of goods are always in proportion of their quality!!!