?Drilling Base?: Base pedestal diameter is 1.57 inch and design to 5 screw holes,due to delicate and mini, it's great for fixing in the truck / car / lorry / van / boat / commercial vehicles dashboard or cockpit,also suitable for installing on these flat surfaces: wall / desk / countertop / railing / ceiling. ?Secure & Firm?:Phone mount arm length is 7.3 inch,it can load 2 lbs weight,phone clip equipped with built-in anti-skid rubber pad,reduce scratches and hold phone firmly,phone doesn't fall off even if bumpy and vibrating condition driving. ?Flexible Adjustable?:Two 0.885 inch ball joints can 180°rotation by twisting joint knob freedom,adjusting to angle of phone bracket arm,another one 0.67 inch ball joint be used to adjust angle of phone clip,it can 360°rotation to capture great viewing for customer. ?Sturdy & Durable?: Phone stand arm,base pedestal and all ball joints are aluminum alloy construction,sturdy,durable,rust-proof and anti-corrosive,after some testing result,it shows withstand strong vibrations,high and low temperatures,as well as daily wear and tear,will not be damaged for long-term using easily.