The bottom of the handle is equipped with hexagonal wrench, with a limit to loss. Comes with multiple 1/4 thread, 3/8 thread interfaces, and cold shoe interfaces, supporting simultaneous expansion of multiple devices such as fill lights, microphones, monitors, and more. Suitable for camera cages with 2pcs 1/4 threaded holes and side spacing of 20mm, with adjustable height of 40mm up and down. Lightweight and portable, without burden for travel, easy to carry and use. Aluminum alloy and silicone, which is nonslip, sweat proof, ergonomically designing, and comfortable to hold.