Ensure your gate closes properly with this tension control technology (self-closing) gate kit. The hinges feature unique 3-way adjustability-vertical, horizontal and tension control for a perfectly balanced gate. The kit works with a variety of vinyl and wood gates with 2" x 3.5" or larger upright dimensions or solid panel and a gate capacity up to 150 lb and up to 96" wide. They are ASTM B117 salt-spray tested and withstand 10 year span open and close testing, averaging 5.5 openings per day. The hinges are black zinc plated powder coated steel with polypropylene UV protection covers. The kit includes 2 x hinges, 4 x hinge covers and 24 x 1.5" Phillips screws.