Webcam Stand head: Ball-Head adapter with 1/4''-20 Thread to Connect Your webcam's 1/4'' Screw Hole; Webcam Arm: Extend to the max approx.64cm / 25 inches Easy to Adjust any angle Webcam Mount Compatible for Logitech Webcam C920s C920 C925e C922x C922 C930e C930 C615, Brio 4K; Webcam Clamp fit the Desk, Table, Sideboard, Bed Max thickness 5.5cm(2 inches) Webcam Arm max Load 1.5 LBS (0.7kg) Not for heavy Camera and devices (Webcam NOT included Packing)