The sample liquid aspirating and dispensing probe includes {TAIL ~ a tubular plastic inner member} and {HEAD ~ a tubular metallic outer member} 
The sample liquid aspirating and dispensing probe includes { TAIL ~ a tubular plastic inner member } and { HEAD ~ a tubular metallic outer member }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD