Padyrytu Butterfly Clip Clamp Mount Size (L x W): Approx. 5.9 x 6.2 cm / 2.32 x 2.44 inchJoint Arm Length: Approx. 15 cm / 6 inch (The distance between two O-rings is 6 inches)Joint Arm Width: Approx. 2.4 cm / 0.94 inchDiameter of the ball: Approx. 2.54 cm / 1 inchcolour:BlackMaterial:Aluminum AlloyPackage Contents:1 x Arm Clip Clamp Mount1 x Dual Ball Joint ArmOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.