Similarly, in certain embodiments, {HEAD ~ the lower housing member} has {TAIL ~ an outer diameter} which is generally equal to or slightly larger than the fourth diameter of the fourth recess so as to create a frictional fit between the intermediate housing member and the lower housing member 
Similarly , in certain embodiments , { HEAD ~ the lower housing member } has { TAIL ~ an outer diameter } which is generally equal to or slightly larger than the fourth diameter of the fourth recess so as to create a frictional fit between the intermediate housing member and the lower housing member
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH