Each hinges includes pre holes and mounting hardware for easy installation, meeting rigorous demands for both aesthetic appeal and long terms Heavy type Stainless Steel auto Closing Hinges (4 Pack) feature double action spring mechanisms for smooth bidirectional door operations and rusts resistant 201 stainless steel construction Perfectly suited for saloon styles door, kitchen waist door, or glass lobby door, providing quiet, auto closing functionality in hospitality or retail environment Engineered with a brushed finish and high deformation resistance, these hinges up to hinges, ensuring stability for door thick Ideal for commercial space like rod, cafes, and kitchens, or residential setting requiring durability swing door hardware for high traffics areas, Manufacturer: SHANGYAKEJI