Product contact email: sales23@maishimfg.com Marine Grade Stainless Steel Security Screen Anti theft Maishi group supply Security Doors and window. Security Screens can be used on window and doors to make your family far away from danger. Made from high tensile stainless steel, woven into a fine mesh, it is hard to cut and break. [ Material ] Stainless steel 316 It is high tensile AISI316 stainless steel wire, tolerance(+/-0.01mm), tensile strength is more than 900Mpa (900N). The holes are square and the wires are very strong (not sliding), screen surface is flattened after we weave the wires to mesh screen. Characteristic of security screens: Safe: Not easy to cut and break pass AS5039-2008 Private live: No one can peep at room Beautiful: Gorgeous surface Durable: More than 10years Warranty pass AS2331.3.1-2001 We are China's top wire mesh manufacturer, our products are production prices, no middlemen to earn the difference! I hope that you can contact the opening email of our article.