Support arm (with 2 joints) Stainless steel post and support arm Support arm with fine adjustment Measurement range (mm): 25-50 Minimum display (mm): 2 Scale specifications: 0.001 Mounting shaft diameter (mm): Flat Arm length (mm): 230 Manufacturer code: 44 16000 宽度(mm):46 深度(mm):70 高度(mm):285 主列(mm):φ18x 220 总长度(mm):285 直径(mm):18 安装孔:8H7