Features of the Leofoto QS-50 Quick-link set With the Leofoto QS-50 Quick-link set you can easily change from, for example, a ball head to a video head. Or you can quickly place an optional detachable center column on the base plate of the tripod. The operation of the Quick-link set is similar to a camera quick-release plate. The set includes the QS-50 base plate and a Q50 quick-link plate. Quickly change tripod heads The Quick-link set is a convenient quick coupling system for tripod heads. The set consists of two parts that you easily attach to each other with one twist. The base of the QS-50 set can be mounted on any 3/8-inch tripod screw. The three anti-twist screws prevent you from accidentally turning. The Q50 quick coupling plate has a 3/8-inch tripod screw on which you can place, for example, the Leofoto LH-30 ball head, the BV-10 video head or the PG-1 swing head. The diameter of the QS-50 Quick-link set is 50mm. Other Quick-link sets are also available with different diameters. An additional Q50 quick-link plate is also available separately. The Quick-plates of the different sets are not interchangeable. For more Leofoto products like the Leofoto Combo L plate for Fuji X-H1 see here.