Probes and directors
115 mm – 4 ½ " 11-178-115
130 mm – 5 " 11-178-130
145 mm – 5 ¾ " 11-178-145
160 mm – 6 ¼ " 11-178-160
180 mm – 7 " 11-178-180
200 mm – 8 " 11-178-200