This 3.5'' standard door hinge is highly suitable for any commercial or frequently used doors, such as garages, wardrobes, kitchens, offices, etc. Stainless steel self-closing leaves with self-closing door function, adjustable spring hinges, (2-pack) self-closing door function, with mounting screw set. If you're using hinges measuring 3.5 inches, use one spring hinge for doors under 50 pounds, two on doors under 70 Following the steps in the instruction manual, even beginners can easily complete the installation. Satin nickel spring loaded hinges have UL certification. It is made of high-quality iron, waterproof and rust proof, and can last for a long time. Stainless Steel Door Hinges: The hinges are made of stainless steel materia,designed for industrial, commercial & residential doors, especially in marine & other outdoor applications,Stainless steel for maximum corrosion protection.
Automatic closing: The inner and outer doors are designed to automatically rebound and close the door, with adjustable tension, making it quiet, stable and noise free.Ideal for any door that gets regular use, whether at home or in a busy commercial space.