wherein the neck portion is disposed between the first and second portions, the neck portion having a transverse width smaller than {TAIL ~ a transverse width} of the second portion to permit insertion and {HEAD ~ removal} of the tool 
wherein the neck portion is disposed between the first and second portions , the neck portion having a transverse width smaller than { TAIL ~ a transverse width } of the second portion to permit insertion and { HEAD ~ removal } of the tool
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH