The round Leofoto DDM-60 quick coupling with Arca-Swiss QP-70 quick release plate is a professional quick coupling with a 3/8-inch screw hole that can be attached to any tripod or tripod head with a 3/8-inch tripod screw. The bidirectional DDM-60 is equipped with a double screw knob for locking the quick-release plate and the adjustment in the longitudinal axis of the quick-release plate. An ideal accessory for precise work on a panorama head or a macro setup.