2pcs scuba diving arm clip clamp mount with 6 inch dual ball joint arm connectorLightweight aluminum alloy processing ball head socket to the highly and durable requirementsAdjustable spinning handle design, can connect multiple diving devices; naturally suitable for and made of resin to enhance operability, with lower power consumption, easy to loose, adjust the relative of the joint arms firmly clamp the ball jointsCan rotate , and can rotate about 80 degrees in the horizontal direction; have a higher degree of freedom to adjust the direction of the flashWide range of strong practicality, is photography enthusiasts a great choiceButterfly Clip Clamp Mount Size (L x W): . 5.9 x 6.2 cm / 2.32 x 2.44 inchJoint Arm Length: . 15 cm / 6 inch (The distance between two O-rings is 6 inches)Joint Arm Width: . 2.4 cm / 0.94 inchDiameter of the ball: . 2.54 cm / 1 inchcolour:BlackMaterial:Aluminum AlloyPackage Contents:1 * Arm Clip Clamp Mount1 * Dual Ball Joint ArmOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.