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