The product is made of high quality 304 stainless steel and the most advanced surface treatment technology is used to process the blanks Thick material, solid casting, making the product more solid, not easy to break deformation, high-strength screws for a long time use is not easy to deformation. The length of the chain is moderate and the door can be opened at a sufficient angle to ensure the safety while viewing the outdoor conditions Material : 304 Stainless Steel Installation Method : Screws in Package Includes : 1 set Security Door Chain and 6 X screws How to maintained and cleaned stainless steel : 1. Regularly remove dust from the surface of the product with a soft cloth or dry cotton yarn. 2. Should prevent acid and alkali salts erosion and contamination ensure that products remain clean 3. If you use the protection during the construction process to protect the product (cover the surface with adhesive tape) Regular maintenance maintains long-lasting luster and efficient performance
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