Features: This heavy duty U clamp with a flexible arm enables secure and versatile mounting for cameras or accessories, allowing you to attach items almost in a photography studio or setup. Featuring a robust grip that accommodates round tubes from 13mm to 47mm in diameter and available in four adjustable lengths of 20cm, 30cm, 40cm, and 50cm, the clamp is constructed from plastic and metal. Designed for photographers, videographers, outdoor enthusiasts like cyclists and motorcyclists, and creative professional, this accessory supports equipment such as microphones, flashlights, and action cameras. Perfect for various environments including indoor studios, outdoor adventures like cycling trips, or motorcycle expeditions, it can firmly hold objects like microphones, hair dryers, and telescopes to enhances functionality. Offering exceptionally flexibility and stability, this multifunctional clamp ensures effortless positioning for diverse applications, making it an essential tool for creative projects and everyday use. Specifications: Component: plastic + metal Length: 20cm/30cm/40cm/50cm Can clamp 13mm-47mm diameter round tube double clip photography bracket Package Includes: 1 Set Double U Shaped Strong Clamp note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.