2pcs scuba diving arm clip clamp mount with 6 inch dual ball joint arm connector Lightweight aluminum alloy ball head socket built for high durability and performance Adjustable spinning handle design allows connection of multiple diving devices; made of resin to enhance operability and secure fit; firmly clamps ball joints for stable positioning Capable of rotation and approximately 80 degrees of horizontal adjustment; offers high flexibility for positioning flash or accessories Versatile and practical, ideal for underwater photography enthusiasts Butterfly Clip Clamp Mount Size (L x W): 5.9 x 6.2 cm / 2.32 x 2.44 inch Joint Arm Length: 15 cm / 6 inch (distance between two O-rings is 6 inches) Joint Arm Width: 2.4 cm / 0.94 inch Diameter of the ball: 2.54 cm / 1 inch Color: Black Material: Aluminum Alloy Package Contents: 1 x Arm Clip Clamp Mount 1 x Dual Ball Joint Arm Only the above package content, other items not included Note: Light and display differences may cause slight variation in color. Measurement error allowed within +/- 1-3 cm