Engine/Measuring tool/650131-650136 CALIPER OUTSIDE LOCK JOINT

中文品名：外锁紧卡尺

For measuring the outer diameter of pipes or cables which may have rims or other obstructive shapes which would be difficult to measure with regular calipers. 

用于测量管道或电缆的外径，这些管道或电缆可能有轮缘或其他用常规卡尺难以测量的障碍物形状。