This magic arm features a claw holder and two ball joints with clamps and a 1/4" threaded screw (maximum load 1.21 kg, maximum opening width 40 mm). The versatile super clamp is a super strong clamp that can be used in a variety of situations. Attaches to all types of tubes, drill rods, or fixed posts (light stands, tripods, autopoles, giraffe arms, DSLR rails, support poles). Flexibility and robustness: 360-degree articulation on a 1/4 thread, this ball head has a locking knob for quick and secure use. Made of super-strong lightweight aluminum alloy that resists oxidation and scratches. The 1/4 ball head camera system can be attached directly to a DSLR camera or camera mount, camera robot, and allows you to connect a full range of video accessories. Allows you to connect a monitor or small light to the camera while filming video. Robust and removable: The handle is large and robust to help take advantage of leverage; the larger the handle, the tighter you can clamp it. The ball head arm can be removed from the clamp because it only uses a 1/4" screw, meaning you can use the clamp without the ball head. Includes soft rubber to protect your accessories from scratches. You can mount the monitor or LED light via 1/4 inch screws. It can quickly attach and detach the monitor, and the monitor's position can be adjusted according to your needs during shooting. The optimal load for this super gripper is 1.5 kg (3.3 lb). This super clamp has a maximum opening of 40 mm and a minimum of 15 mm. It is compatible with all 15-40 mm mounting equipment and is tightened with a locking knob. It has 1/4 threaded holes for attaching other accessories. Versatile super clamp with double ball head with 1/4 screw. It mounts the display and LED light at one end with a 1/4" screw, and the rod can be locked into the cage with a clamp that is tightened by the locking knob. It can be quickly attached and detached from the monitor, and the monitor's position can be adjusted according to your needs during shooting.