Manfrotto Magic Arm w/ Bracket 143 A, Magic Arm, Easy to position via single lever operation, With camera bracket, Tube diameter: 20 mm, Mounting (bottom): 1/4"" thread female, 5/8"" (16 mm) stud, Mounting (top): 1/4"" screw, 3/8"" screw, 3/8"" thread female, 5/8"" (16 mm) nut, 5/8"" (28 mm) stud, Up to 3 kg cargo load, Length: 53 cm, Weight: 1170 g, Colour: Black