Layer Estimates:

Layer: Visafslag_Import3DFiles (ID:0)
Count: 1
Extent:

XMin: 77971.0945999995
YMin: 457372.552200001
XMax: 78252.3462000005
YMax: 457678.688299999
Spatial Reference: 28992 (28992)
Vertical Spatial Reference: 5621 (5621)