Ranbo 3 Inch HeavyDuty 304 Stainless Steel Double Spring Hinge Integrated Spring Tension Adjustment No Fixing Pin Required 3 mm Thickened Steel Plate Maximum Load Capacity of 25 kg for 2 Hinges

1Applicable Door Thickness and Maximum Load Capacity Suitable for door panels with a thickness of 0791422036mm a pair of hinges supports a maximum load of 25kg55 lbs 2HeavyDuty Design 3mm Thickened Steel Plate Durable and Sturdy Compared to regular 15mm thin hinges this hinge uses a 3mm thick 304 stainless steel construction providing stronger loadbearing capacity making it especially suitable for heavy doors and highfrequency usage environments 3Integrated Spring Tension Adjustment No Fixing Pin Required The tension can be adjusted according to the weight of the door to achieve different rebound speeds ensuring smooth opening and closing You can quickly and easily set the required tension for swing doors using the included hex wrench Insert the hex wrench into the adjustment hole and turn it clockwise to increase the spring tension which speeds up the closing speedTo release the spring tension and slow down the closing speed insert the hex wrench into the adjustment hole and tap it lightly with an appropriate tool 4TwoWay Opening and Automatic Closing The double spring hinge allows the door to open in both directions and close automatically When you push the door the springs compress and store energy Once you release the door the springs release this energy pulling the door back into its original position This feature enhances convenience safety and energy efficiency significantly improving traffic flow 5304 Stainless Steel Brushed Finish Made from highquality 304 stainless steel it is rustresistant moistureproof and deformationfree ensuring reliability and durability The surface features a fine brushed finish offering a modern aesthetic while being more scratch and wearresistant.