The Tether Tools JerkStopper Camera Support is the complete tethered setup that secures the cables of your camera. This kit will remove all the stress and strain placed on the cable or cord to ensure it stays plugged in and prevents cable or equipment damage. The patented JerkStopper cable retention device provides slack to cables in order to prevent accidental dislodging. This kit can be used with any standard A/C power adapter cord, flash sync cord, HDMI, USB or FireWire cable. It supports cable diameters from 3.5mm to 8.5mm.