Defines valid types / styles of a slitted tube.
The tube has just a simple slit.
The slit of the tube is self closing.
|Closable||The slit can be closed manually.|
The edges of the slit are overlapping.
Two-parted tubes consist of inner tube and an outer tube (normally defined as one PartNumber). Both tubes are slit and are combined into each other during assembly, thus creating one closed tube.