Safetech CoilKLIK Self-Closing Swimming Pool Safety Gate Hinges - SHC-135 Self-Closing, Self-Aligning gate hinges with three points of adjustment Vertical, Horizontal, and Tension adjustments provide easy installation Constructed using glass fiber reinforced high-grade polymer and stainless steel components Compatible with wood, vinyl and metal gates Includes: Two Self-Closing Gate Hinges and Tension Adjusting Allen Key