Double 1 / 4 " Mounting Holes: Features two 1 / 4 " female screw holes for secure attachment to tripods, camera mounts, and other photography accessories Compact & Lightweight Design: durability with dimensions 6x3.3x2.9cm, ensuring portability without sacrificing stability Multi Device: Perfect for holding smartphones, tablets, cameras, lights, and microphones during live streaming, photography, or gym workouts Wide Compatibility Clamp: Adjustable U shaped metal clamp fits round or square tubes ( 17mm 45mm diameter) and tabletops, ideal for various mounting needs Versatile Photography Accessory: Essential for vlog, camping, studio setups, and desktop use with compatible 1 / 4 " screw mounted equipment