Home / Arms / H-629 S2 PC Adjust.H-629 S2 PC Adjust. Category: Arms Description Spec Sheet DescriptionSpec Sheet: H-629 S2 PC Adjustable ArmRelated products Arms H-637S S2 Adjust. Arms 1RI-080-BK L+R Arms 1RI-095-BK & CH 5D Adjustable Arm Arms 1RI-H634 4D Adjust.