Novoflex Small Double Action Ball Head (BALL-19P) Load Capacity 6.6 lbs. 1/4" thread Precision Engineered Can also be used in combination with the many innovative Novoflex accessories that feature a 1/4"-20 male screw. Height: 2.6 inches, Diameter: 1.8 inches Weight: 0.26 lbs Camera connection: 1/4 inch Tripod connection: 1/4in and 3/8in Maximum load capacity: 6.6 lbs