Usage Tips: 1. THICK MATERIAL It is made of high-quality 201 stainless steel, with a polished brushed surface treatment, good acid and alkali resistance, the self-closing stainless steel hinge is not easy to rust, with strong bearing capacity and long service life. 2. EASY TO INSTALL The saloon door spring hinge and matching screws. Safe working load is 7.5 kg per hinge and the self-closing door hinges are suitable for door thicknesses of 2-5.6 cm. 3. TWO-WAY OPENING These double-swinging door hinges provide opening in both directions. Their usefulness in opening 180 degrees outweighs the inconvenience of avoiding swinging back. Easy to adjust spring tension to control desired closing speed and no more slamming sound. 4. WIDE APPLICATIONS Our double-action door hinge is widely applicable to various material doors including wood or metal saloon doors, cafe doors, bar counter doors, pub swing doors, kitchen doors or free gates in shops and shopping malls.