This is a docking station for the HP G4. It is designed to be mounted under a desk to save space and keep the area tidy. This model is specifically designed for the HP G4 Thunderbolt dock. The dimensions of the docking station are 98 x 98 x 68 mm, making it compact and easy to place. The screw holes are designed to fit screws with the following dimensions: head diameter 6.8 mm, head depth 2.7 mm, and a thread diameter of 4 mm.