Main column: φ16 x 87mm Support: φ14 x 200mm Measurement instrument installation (post side): 6.6mm and 8.1mm holes, with ears Measurement instrument installation (mechanical lock arm side): 6mm, 8mm holes, dove groove Adhesive force (N): 1000 Magnetic width (mm): 50 Magnetic深度(mm):73 磁高(mm):55 手臂长度(mm):429/200 手臂安装螺钉:M8 测量仪器安装孔:6/8