Features: This cable clamp is used to fix the cable when you are in tether shooting. It protect the adapter of the camera and ensures it will not been interrupted by cable loosening. This cable clamp is also used for DSLR camera cage. There are two grooves in horizontal and perpendicular separately for cable. It is suitable for all most of DSLR Cameras. It comes with a 1/4inch thumb screw, it is used to install the cable clamp on cameras. There is a 1/4inch threaded hole on the thumb screw.it is used to connect with your quick release plate for tripods. Specifications: Component:Aluminum Alloy Color:Black Length:Approx.4cm/1.57inches Package Includes: 1Pc Quick Release Plate note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.