Clamping jaws are equipped with rubber pads. This shape was not made casually, but for the possibility of fixing the hub on some protruding parts of the interior of the workspace in order to be able to get quick access to the ports. The hub is supplied in Orico’s original packaging, wrapped in film on top The hub is made in an unusual U-shaped aluminum case with a screw in the central part. There are three versions of this hub: The features of this hub are a clamp mount, an aluminum case and a branching of one USB3.0 port into four. The purpose of the device is to increase the number of USB ports and at the same time be able to fix the hub in a convenient place in front of you. https://jiji.com.gh/51-music-mixers Everything is good. The head of the screw is high and knurled – for the convenience of twisting with your fingers, but there is also a slot for a Phillips screwdriver on the end of the head. Features — for 2 ports slot for SD card< /p> The contents are packed in a blister — for 4 ports, without input for external power (as in my case) When examining the plug, additional contacts are visible. The package consists of a hub and a 1.5-meter double-sided USB-A cable