[Designed for performance]4pcs of Double Action Spring Hinges for swing doors, both directions opening. Spring power-adjustable, provide desired closing speed for a variety of swinging-door applications. [Strong and sturdy]The spring hinges are made of high-quality stainless steel, compact, durable, exquisite craft. Polished finish, do not rust. [Standard size]The double door hinges' Total Dimension: 92 x 70 x 20mm/3.6inch x 2.8inch x 0.8inch (L * Close Width * Max.T); Steel plate Thickness: 1.4mm; Plate Length 77mm/3inch. [Fit Door Thickness]The double hinge Suitable Door Thickness: 0.7-1.06 inch, Safe working load: 16.5 lbs per hinge. So 2 hinges can support a 33-pound door. [Application]Apply for Cafe Saloon, Bar Counter Doors, Events Doors, Pub Swinging Doors. Color: A:black / B:silver Material: stainless steel Package Contents: 4 * Double Action Spring Hinges 1 * Including Pins 1 set * Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.