Home / Arms / 1RI-H634 4D Adjust.1RI-H634 4D Adjust. Category: Arms Description Spec Sheet DescriptionSpec Sheet: 1RI-H634 4D Adjustable ArmRelated products Arms 1RI-593B Arms 1RI-080-BK L+R Arms 1RI-PU Pad 159 Arms 1RI-587+PU Pad 4D Arm