About HOIGON Our company is professional in running the business in most kinds of spring hinges. If you are an individual buyer, please remember to add us to your favorite store list. You need to know the many benefits of our Double Action Spring Hinges 1.Made of high-quality 201 stainless steel, the surface is brushed, which is not rusted, hard to wear and corrode. 2.Package includes 2 pairs of double action spring hinges of 4.72 x 4 inches, which fits door thickness of 25-43 mm / 0.98 - 1.69 inches. 3.Designed with double-action function, these self closing double swing door hinges provide two-way opening for swinging doors. 4.With a strong and stout 15 mm bearing, the heavy duty double action spring hinges have strong loading capacity to hold the doors. 5.Comes with 32 screws and 1 adjusting pin to easily mount the double action door hinge and adjust the tightness. 6.These double action hinges are suitable for bar doors, conference room doors, aisle doors, glass doors, counter doors and more. Specifications: Material: 201 stainless steel Quantity: 4pcs Color: silver Thickness: 0.3 cm / 0.12 inch Fits Door Thickness: 25-43 mm / 0.98 - 1.69 inches Size: 12 x 10 cm / 4.72 x 4 inches Package List: 4 x double action spring hinge (2 pairs) 32 x mounting screws 1 x adjusting pin Feedback: If you have any questions about items or something else, please contact us at the first time .