Layer Estimates:

Layer: hollandsspoor86_Import3DFile (ID:0)
Count: 1
Extent:

XMin: 81753.4288000017
YMin: 453815.568500001
XMax: 82131.7091999985
YMax: 454145.692299999
Spatial Reference: 28992 (28992)
Vertical Spatial Reference: 5621 (5621)