Sewer Rod Adapter For GoPro Inspection Camera Category_Default Category Products Sand Traps Since the blades rub against THC 8 Since the blades rub against the pipe wall they are constantly sharpening themselves These skis are made ½” undersized in the smaller sizes to 15” and they 1” undersize form 15” to 18” and 2” undersized in the large diameter 22” and 24” so that they may ride up over any offset and allow for misalignment in the pipe This simple adapter allow you to attached you ST Pro Camera to your sewer rods and push it down the line for video inspection Just attach a string of rods to the end connection and then lower the camera in the manhole and position into the invert