The Leofoto HK-01 Tripod Weight Hook is designed to add extra stability and support to compatible tripods. Featuring a 1/4" mounting thread, it can be attached to tripods with a compatible 1/4" thread, such as Leofoto LS Ranger Series tripods. The hook allows you to hang a weight, bag, or other items beneath the tripod for added stability. The hook features a 360Adeg rotating design and a hinged construction that helps keep the hook clear of the tripod legs when the legs are folded. Length: 87mm / 3.43 inchesWidth: 12mm / 0.47 inchesWeight: 30g / 1.06 ozMounting Thread: 1/4" UNC