Dual Ball Head Camera Extension Friction Arm Flexible Articulated Arm with Cold Foot Holder and 1/4 Inch Screw do Microphone with LED Backlight do Monitor . FRICTION ARM WITH DUAL BALL HEAD CAMERA EXTENSION Feature: 1. Adjustable Double Ball Heads: The friction arm features two ball heads that allow you to easily adjust the position and angle of your arm-mounted devices, making it ideal for do DIY projects such as video recording. 2. Built-in cold shoe base: The ball head boom is equipped with a built-in cold shoe base, so it can be mounted on cages, handles, camera plates or directly on Nikon, Olympus and other cameras. 3. 4. Lightweight and portable: Made with premium aluminum alloy and precision CNC machining, the articulated friction arm provides high locking force and load capacity while remaining compact and portable. 5. Compact and lightweight: With a maximum load capacity of 4,4 lbs/2 kg, this articulated double ball head friction arm is the perfect tool for traveling photographers, allowing you to easily carry anywhere, anytime. . FRICTION ARM WITH DUAL BALL HEAD CAMERA EXTENSION Specification: Item Type: Double Ball Head Friction Arm Material: Aluminum Alloy Weight: approx. 100g/3,5 oz . FRICTION ARM WITH DUAL BALL HEAD CAMERA EXTENSION Package List: 1 x Friction Articulated Arm . FRICTION ARM WITH DUAL BALL HEAD CAMERA EXTENSION