from aluminum alloy, this clamp builts to rigorous use while maintaining portability. for expanding your camera gear, this clamp for various photography and videography applications in studios or on location. Enhances your photography with 15mm Single Hole Pipe Clamp, with 3/8" threaded hole for mounting. for both amateur and professional photographers and videographers seekings equipment Its ensures compatibility with wide ranges of accessories, making it essential addition to any photography toolkit.