Acorn's Gate Hardware Heart Strap Hinge. The hinge, completed entirely of rough black iron, is a sturdy, reliable choice for gates that desire an enhanced look. The hinge will be a fantastic addition to any setting because its completion fits perfectly both a vintage and a contemporary theme. This hinge is an ideal selection to work with our Heart-Shaped Dummy Straps or any of your personal selections. Acorn's Gate Hardware is designed for gates 3"-4" thick and up to 175 lbs. 0.155 gauge, 4.5" pintle, 1.25" x 12 screw size.