Features: The U16 & U18 Clamp features ° rotation and clamping bases, ideal for securing photography accessories like LED lights, reflectors, and monitors to 15 45mm diameter poles or 35mm thick surfaces in studio setups. Built with reinforced plastic composite and slip rubber , this clamp ensures durability and stability while protecting surfaces from scratches, and includes a 17mm ball head for seamless compatibility with smartphone mounts or tablet holders. Designed for photographers, videographers, and content creators needing flexible mounting for cameras, lighting equipment, or studio gear during indoor/outdoor shoots. Perfect for attaching reflectors to tripods, mounting monitors on desk arms, or securing LED panels to栏杆 in photography studios, event venues, or home office setups. Its versatile design supports dynamic environments, offering quick adjustments for cameras, selfie sticks, or umbrella holders while maintaining a secure grip on rods, tripods, or furniture edges. Specifications: Materials: Plastic Size: 17cm long, 4cm wide, 3.2cm thick Suitable for pipes with diameters of 15mm-45mm and wooden boards with thickness of less than 35mm Package Includes: 1x 17mm male ball head clip 1x 17mm cue ball head clip note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.