Features: The U16 Ball Head Clamp with Phone & Tablet Holder features reinforced screw mechanism and protective rubber pad, ensuring secure grips on surfaces up to 3.5cm thick and round tubes (15mm-45mm diameter) for 4.5-11" devices. with 360 adjustable clamp base allows positioning, while the antislip rubber protects devices from scratches during use. for fitness enthusiasts, content creators, cyclists, driver, and professional seeking handsfree viewing during workouts, commutes, or desk work. Securely attaches to gym equipment, bicycles handlebars, motorcycle frames, car dashboards, glass doors, or office desks for stable device placement. Engineered with plastic construction, this multiple surfaces phone holder clamp and tablet mount maintains stability during intense vibrations or sudden movements across diverse environments. Specifications: Materials: Plastic Color: Black Clip Size: 12x6.5cm Base length: 10cm Package Includes: 1PC Tablet Clip 1PC 17.4mm Ball Head Clip Base note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.