The integral tubular section ranges from {TAIL ~ 2.5 mm} to {HEAD ~ 3.5 mm} in inner diameter 
The integral tubular section ranges from { TAIL ~ 2.5 mm } to { HEAD ~ 3.5 mm } in inner diameter
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH