The cradle fits Panasonic Toughbook FZ-A3 rugged tablet. It will also fit any other tablet with the following measurement:
Height Range: 26.67 - 31.75 cm
Width Range: 18.77 - 20.01 cm
Depth Range: 2.54 - 3.17 cm
The mount solution fits rail/tube surfaces such as surveying pole with diameter ranging between 0.625" to 1.5". It also fits flat surfaces with a range of 0.254 cm to 2.89 cm.