500 Fifth Avenue
Location: New York, NY
Built: 1931
Height: 697ft/212m
Floors: 60

8.25" Model Dimensions (1:1000 scale)-
Height: 8.25in/21.0cm
Length: 2.5in/6.4cm
Width: 1.25in/3.2cm

11.25" Model Dimensions (1:750 scale)-
Height: 11.25in/28.6cm
Length: 3.5in/8.9cm
Width: 1.75in/4.4cm

16.75" Model Dimensions (1:500 scale)-
Height: 16.75in/42.5cm
Length: 5in/12.7cm
Width: 2.5in/6.4cm

24" Model Dimensions (1:350 scale)-
Height: 24in/61.0cm
Length: 7in/17.8cm
Width: 3.5in/8.9cm

Summary of Model Scales:
8.25in (0ft 8.3in)/21.0cm: (1:1000 scale)
11.25in (0ft 11.3in)/28.6cm: (1:750 scale)
16.75in (1ft 4.8in)/42.5cm: (1:500 scale)
24in (2ft 0in)/61.0cm: (1:350 scale)

The pictures shown are of the 11.25 inch model.

The second picture shows the 8.25in, 11.25in, 16.75in, and 24in models.