The joints are adjustable, which can not only move back and forth, but also move on the guide rails, making it more flexible to use and suitable for shooting from various angles With a ball head on the top, it supports the interchange of 1/4-inch and 3/8-inch screw holes, flexible installation and fixed position, suitable for various shooting accessories There is a locking knob in the middle, which is easy to adjust and fix It can be installed with cell phone holders, flashlights, SLR cameras and pliers The magic arm is made of thick high-quality aluminum alloy, which is durable and wear-resistant. Foldable design, light and easy to carry Specification: Material: aluminum alloy Folding length: 245mm/9.6inch Unfolded length: 630mm/24.8inch Load-bearing: 1-3kg Package included: 1 x 3-Section Camera Holder Arm Other items not included