Bottle Perpendicularity Tester NBPT-100 is a well-known testing instrument that is easy to use and helps to determine any deviations that can be present in the structure of the PET bottle. The instrument is based on the principle to accurately determine the shape and size of the bottle and is regularly used in testing the perpendicularity of PET bottles or blow-molded containers. It is suitable for various sizes of bottles as a result of the special design of clamping and rotatory system and is useful for companies testing bottles of various shapes and sizes.