This camera mount adopts qualified aluminum alloy material, solid, firm and durable. The articulating knob increase the friction of it, more tight and secure. There is 1/4 inch screw on the two sides, you can use screw to install your different equipments. It's 180 degree rotatable, can be freely adjusted to meet your needs. Great accessory for camera and DSLR equipment. Can be mounted directly to a DSLR or camcorder's shoe mount, and allows for the attachment of a full array of video accessories. Fit for: For cameras, monitors and led lights, camcoders, mirophones, or devices with 1/4 inch Condition: and High Quality Material: Aluminum Alloy Color: Red+Black Screw: 1/4 inch Length: . 10cm / 3.94inch Package Contents: 1 * Dual Ball Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.