Feature 1This cable clamp is used to fix the cables when you are in tether shooting. It protect the socket of the camera and ensure it wouldn't been interrupted by cable loosening. 2This cable clamp is also used for DSLR video rigs, camera armor cage, follow focus. 3There are two groove in horizontal and perpendicular separately for cables. It is suitable for all most of DSLR Cameras. 4It comes with a 1/4inch thumb screw, it is used to install the cable clamp on cameras. 5There is a 1/4inch threaded hole on the thumb screw.it is used to connect with your quick release plate for tripod. Specification Features: This cable clamp is used to fix the cables when you are in tether shooting. It protect the socket of the camera and ensure it wouldn't been interrupted by cable loosening. This cable clamp is also used for DSLR video rigs, camera armor cage, follow focus. There are two groove in horizontal and perpendicular separately for cables. 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 tripod. Specifications: Condition: 100% Brand New and High Quality Material: Aluminum Alloy Color: Black Size: Approx. 3.9 x 2.3 x 1.3cm/1.53 x 0.9 x 0.5inch Thumb Screw: 1/4inch Suitable for all DSLR Cameras' Cable Weight: Approx. 25g Packing List: 1 x Cable Lock Clip 1 x Screw