Features: This camera clamp with 17.4mm ball head provide mounting for cameras, phones, and tablets, ensuring secure attachment to various surfaces. Featuring opening of 14-40mm, it grips round tubes, tables, railings, and objects up to 40mm thick, made from plastic and metal for use. Ideal for photographers, vloggers, cyclists, and outdoor adventurers seeking flexible mounting solution for their gear. Perfect for live streaming, motorcycle rides, and capturing dynamic shots in any environment. This portable clamp offer easy setup and convenience for spontaneous creativity on the go. Specifications: Component:Metal+Plastic Size:Approx.10cm/3.93inch Package Includes: 1Pc Heavy Duty Clamp note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.