Product Description ALG Defense Swivel Black Forged from 7075 T6 Aluminum Quick Detach Swivel 05-224B6061 T6 Aluminum alloy / High strength steel hardwareQuick Detach Arca Spec MountFour Individual Leg Positions and Five Height PositionsMin Height 7.25 / 184.15mm"Max Height 11.75 / 298.45 mm"