{HEAD ~ The upper end} 42 is optionally secured to {TAIL ~ the open lower end} 24 of the T shaped two piece housing 12 
is optionally secured to
{ HEAD ~ The upper end } 42 is optionally secured to { TAIL ~ the open lower end } 24 of the T shaped two piece housing 12
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH