2PCS Camera Accessories: 1 x 5-inch carbon fiber buoyancy light arm & 1 x CNC Butterfly Clip Scope of application: suitable for diving photography, single and double handheld brackets, suitable for Micro-single lens, SLR camera waterproof case, suitable for Canon, Sony, Nikon, Panasonic, Olympus Function and use: for extension and expansion equipment Features and selling points: upgraded double ball head hollow design to reduce self-weight; Double steps increase layering colour Black Long butterfly clip: Product size: 86 x 17 x 60 mm Material: Aluminum alloy Processing technology: CNC machining Surface treatment: anodizing Features: 1. it is made of CNC integrated aluminum alloy, which is sturdy and durable, light and does not rust when used for diving; 2. The product can hold one inch of the ball head, and the direction angle can be adjusted according to your needs; 3. the product has been designed to be over 80 millimeters in length, which makes the installation more convenient, locking prevents interference, and the extension is longer; 4. The butterfly clip ball clip is designed to be 29 degrees, which makes the ball head tightening faster and the range of adjustment tightening angle is wider; 5-inch carbon fiber buoyancy light arm: Ultra-light extension light arm, under water, the weight of 5 inches specifications is up to 14g Material: metal Size: 140 x 25 x 25mm Product specifications about: outer diameter D20mm, length: (distance between two O-rings) 5 inches Package Contents: 1 x 5-inch carbon fiber buoyancy light arm 1 x CNC Butterfly Clip