In the cross sectional view of the housing 1 in FIG 4, the first gripping members 4,5,6 protruding from the interior surface 21 of the top portion 7 and {HEAD ~ the second gripping members} 9,10,11 protruding from {TAIL ~ the interior surface} 22 of the bottom portion 8 of the housing are directly opposite one another 
protruding from
In the cross sectional view of the housing 1 in FIG 4 , the first gripping members 4,5,6 protruding from the interior surface 21 of the top portion 7 and { HEAD ~ the second gripping members } 9,10,11 protruding from { TAIL ~ the interior surface } 22 of the bottom portion 8 of the housing are directly opposite one another
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH