MWCR01 Dimensions
Diameter 0.800mm		 MWCR02 Dimensions
Diameter 0.760mm
  picture of ceiling centre mwcr01   picture of ceiling centre mwcr02
MWCR03 Dimensions
Diameter 0.760mm		 MWCR4 Dimensions
Diameter 0.460mm
  picture of ceiling centre mwcr03   picture of ceiling centre mwcr4
MWCR5 Dimensions
Diameter 0.605mm		 MWCR6 Dimensions
Diameter 0.905mm
  picture of ceiling centre mwcr5   picture of ceiling centre mwcr6

Some examples of ceiling centres available.