D&D Technologies TruClose TCHD2L2S3BT Heavy Duty Self Closing Pool & Child Safety Gate Hinge (Alignment Legs, Vinyl & Wood Gates, Black) Self-closing, adjustable hinges designed for vinyl & wood gate types Unique, patented tension adjustment for quick & easy gate adjustments Heavy-duty construction is designed to last and tested for reliability Hidden screws and internal spring closer enhances the look of your gate Weather-resistant and "self-lubricating" materials offer smooth closure