Displays properties for bend angles. A bend angle is one a several preferred turn angles for a specific pipe NPD.
The order in which the properties display in your view depends on your configuration.
Bend Angle
Specifies the required angle for an object.
NPD
Specifies the nominal piping diameter for the object. If 
displays in the box, the nominal diameter is derived from a rule and not editable.
If the icon does not display, the value is user defined.
NPD Unit Type
Specifies the units for the NPD value. Select mm or in from the list.