| Name | Type | Description | 
| FeatureSubType | 
P_ENUMERATEDVALUE
/
AISC_EM11_FeatureSubType
 | 
  | Feature Sub Type | Feature Sub Type indicates special types. Value can be one of:
			
				- BeveledHole
 
				- TappedHole
 
				- ThreadedHole
 
			  |  
 
 | 
| RectangleOpeningWidth | 
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
 | 
  | Rectangle Opening Width | Rectangle Opening Width |  
 
 | 
| RectangleOpeningHeight | 
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
 | 
 | 
| RectangleOpeningRoundEdgeRadius | 
P_SINGLEVALUE
/
IfcPositiveLengthMeasure
 | 
  | Rectangle Opening Round Edge Radius | Rectangle Opening Round Edge Radius |  
 
 |