Allows the attachment of camera accessories with a 1/4'-20 thread to a rod, pipe, etc. 180° mini ball head at both ends. 1/4'-20 mounting screws. Can be attached to surfaces up to 50 mm wide. The SmallRig Crab-Shaped Super Clamp Kit (with Magic Arm) 4454 includes a magic arm, a crab-shaped clamp, and an action camera mount. One end of the kit features a 1/4'-20 screw for attaching an action camera, monitor, LED video light, microphone, etc. The other end can be directly attached to a pipe, table, tripod leg, or stabilizer hand ring using the crab-shaped clamp. The connection between the magic arm and the crab clamp is designed to be twist-proof to ensure stability and prevent loosening and falling during movement. The clamp's design with a swivel tip enhances compatibility with flat and rounded surfaces by adjusting the swivel of the clamp tips to ensure equipment stability. The clamp can be mounted on surfaces up to 50 mm wide and features integrated rubber pads to avoid scratches and increase clamping stability. The action camera mount allows for the attachment of the GoPro cage, the Insta360 X3 frame, and the DJI Osmo Action 4/3 cage.