The hinges close automatically with spring-loading. They provide strong closing force for doors that are often left open. You can adjust the tension to keep the door closed or slightly open.
【Easy to Install & Adjust】Without taking the door off, just remove the old hinge and replace them one at a time only using a screwdriver. The accompanying hex wrench lets you freely set the tension.
【Standard Fit】These 4'' standard door hinges are usually applied to your house-to-garage door, front door, back door, etc.
【Certified Quality】The spring hinges are UL listed ANSI Grade 1. Solid metal with a protective finish to prevent them from rusting.
【Loading Weight】A pair of the spring loaded hinges can support doors of 85 to 100 lbs. One can support no more than 40 lbs. Applicable to both left and right-handed doors.