Features: Knob locking phone clip: The width of the phone clip can be adjusted from 65mm to 95mm. Rich expansion interfaces: The phone clip with cold shoe design on both side, which can connection to microphones, fill lights, etc. Standard 38mm Arca Base: The base adopts Arca dovetail grooved structure, which can connection to the PTZ clamp base like a quick installation board. The 38mm standard size enables quick installation. Multiple flexible adjustment: It can be adjusted 360 degrees or more, and can be used to adjust horizontally and vertically back and forth. Screw hole connection: The bottom with 1/4in and 3/8in international standard universal screw holes, can connection with tripods, monopod lamp stands, handles and other equipment. Specifications: Material: Aluminium Alloy Color: black Size: approx. 63x105x38mm/2.48x4.13x1.5inch Clamping scope: 65-95mm Package Includes: 1Pc Phone Tripod Mount Adapter note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.