【Wide Application】: Goldenwarm satin niclek brushed door hinges are usually applied to your exterior doors and interior doors, likegarage door, front door, back door, bathroom door, landury room door etc. 【Self Closing Function】: The self-closing hinges made of stainless steel are spring-loaded. Door will automatically closes behind you if people forget to close. Adjustable tension makes you freely set to leave the door closed or ajar. 【Loading Weight】: If you're using hinges measuring 4 inches or larger, use one spring hinge for doors under 70 pounds, two on doors under 115, and three on doors 150 pounds or more. 【Easy to Adjust 】: With the door closed, insert the tension lever in the far right hole on the top of the hinge. Pull the lever to the left to expose the first locking hole, then insert a locking pin into the hole. 【Why Choose Us】: Goldenwarm self-closing feature plays an important role in fire safety, and can help keep the home secure if family members sometimes forget to pull the door closed after each use.