1 Pcs Aluminum Alloy Tether DSLR Camera Digital USB Cable Lock Clip Clamp Protector Compatible devices Camera Material: Aluminum alloy Color: Black Size: approx. 421.3cm Thread: 1/4 inch data cable for all DSLR cameras Weight: about 25 grams CAMERA PROTECTION FUNCTIONUsed 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. WIDE RANGE OF APPLICATIONSThis cable clamp is also used for DSLR video rigs, camera armor cage, follow focus. WITH TWO GROOVES MOUNTThere are two groove in horizontal and perpendicular separately for cables. It is suitable for all most of DSLR Cameras. STANDARD 1/4INCH THUMB SCREWIt comes with a 1/4inch thumb screw, it is used to install the cable clamp on cameras. WITH 1/4" THREADED HOLEThere is a 1/4inch threaded hole on the thumb screw.it is used to connect with your quick release plate for tripod. This clip is used to hold the data cable in place when making tethered shots. Protects the camera socket and prevents it from being interrupted by loose data cables. Clips are also used on DSLR video equipment, camera rabbit cages and follow focus data cables, each with horizontal and vertical slots. Works with most DSLR cameras. Comes with a 1/4 inch screw to attach the cable clip to the camera with screw hole design. The thumbscrew has a 1/4 inch threaded hole. Used to attach the tripod's quick release plate.