Support arm (with 2 joints) Stainless steel post and support arm Support arm with fine adjustment Arm length (mm): 230 Width (mm): 46 Depth (mm): 70 Main column (mm): 220 Total length (mm): 285 Fine adjustment mechanism: 2mm Base dimensions (mm):70×46 磁/无:是 直径(mm):18 安装孔:8H7