Features: The rod clamp is for 15mm rail system, suitable for any 15mm pipe. It features a 15mm rod opening, and integrated cold shoe for adding shoe compatible accessory. The 1/4inch-20 mounting holes on the clamp provide more configuration option. You could lock and unlocking quickly with the spring-loaded ratchet knob. Crafted from aluminum, this 15mm rod clamp is lightweight, ensuring long performances without risk of corrosion or breakage. Ideal for both amateur and professional photographers and videographers, this rod clamp is perfect for expand their camera capabilities with ease. Whether on a bustling film set or capturing moment in a quiet studio, this rod clamp provides reliable support for your accessories, enhancing your overall shoots experience. Specifications: Component:Aluminium Size:Approx.15mm/0.59inch Package Includes: 1Pc Single Rod 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.