Feature●►Independent Pan Lock Knob►. Discal clamp with Bubble level.●►Max load: 20kg (44lbs).►Weight 496g. ►Height 87mm. ►Base Diameter 57mm.●►Ball Diameter 40mm.►Low Center of Gravity.●►Bottom Socket Thread: 3/8" with 1/4" Bushing Adapter●►Includes Nylon Case, 70mm QR Plate w 1/4" D-ring screw.Description