vCam camera heads
  The vCam sewer pipeline camera inspection system
  provides four plug-in-capable camera heads:
  Standard camera head
  D38/STD 38 mm diameter for use with
  a 12 mm push cable
  Self-leveling camera head
  D46/SL 46 mm diameter for use with
  a 12 mm push cable
  Small standard camera head
  D33/STD 33 mm diameter for use with
  a 10 mm push cable
  Small self-leveling camera head
  D33/SL 33 mm diameter for use with
  a 10 mm push cable