Kopfjager Direct Mount Adapter Black. The Arca-Swiss-compatible direct mount fits best on tripods with a 3/8in-16 threaded screw and center column that allows rotation for horizontal panning. Vertical movement is limited but can be achieved by loosening the tightness of the grip. A 1/4in-20 adapter is provided for tripods or quick release plates. Specifications for Kopfjager Direct Mount Adapter: Manufacturer: Kopfjager Color: Black Features of Kopfjager Direct Mount Adapter Can be used in conjunction with a Reaper Grip upper assembly and tripod Designed specifically for Reaper Grips Heavy duty construction Package Contents: Kopfjager Direct Mount Adapter Four mounting screws Kopfjager KJ89003: Direct Mount Adapter Black