A cylinder gauge for measuring {TAIL ~ holes}, including {HEAD ~ shallow holes}, in workpieces, comprising: 
A cylinder gauge for measuring { TAIL ~ holes } , including { HEAD ~ shallow holes } , in workpieces , comprising :
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH