💙Built-in 1/4" threaded which could be rotated 270 degree fits for all 1/4" screw web cameras, like Logitech Webcam Brio 4K, C925e,C922x,C922,C930e,C930,C920,C615. 💙Webcam Stand Length: The length of single scissor arm stand is 13.78in./35cm which could be rotated 165 degrees with a maximum reach of 32.7in./83cm vertically. 💙High-quality External Spring: Two rotating fixture let you easy to adjust the webcam stand arms to any level and perfect stable locked.