Compatible with 0.6 inch (15 mm) rods: This rod clamp is designed to work with most 0.6 inch (15 mm) rail support systems. Ratcheting Knobs: The M5 screws that secure 0.6 inch (15 mm) rod are adopted with a ratchet, so you can move it to the perfect angle. When securing the camera and parts securely, even if the knob is interfered and the screw cannot be rotated, the knob can be opened and tightened. (Comes with NATO Rail) Features an integrated NATO rail that is compatible with NATO style accessories. Also, depending on the shooting conditions, you can freely adjust the mounting position to the cage or plate. Also useful for extending the rod: It can be firmly fixed to the camera cage, cheese plate and handle. The rod clamp can be directly connected to the top handle, plate and cage for DSLR cameras such as GH5, Emos100, 5DMarkIII and other DSLRs with two 1/4"-20 screws. Wide range of uses. An essential tool for photographers. Aluminum alloy: The material is aluminum alloy. Small size, lightweight, durable and long lasting. The precision finish makes it easy to use in every detail, making it great for assembling your equipment. Perfect equipment for photographer/filmmakers no matter the professional or amateur Connection Method: 1. Connect the rod clamp to the camera cage or top handle with a hex wrench. 2. Insert the 15mm aluminum rod (4 inch). 3. Can be attached to the 15mm rod system for shooting accessories such as monitors and EVF. Product Specifications: Compatible rod diameter: 0.6 inches (15 mm); Product dimensions: 2.2 x 0.6 x 1.3 inches (57 x 15 x 33 mm); Material: Aluminum alloy; Color: Black; Product weight: 1.2 oz (34 g); Package contents: Clamp body: 2 pcs; 1/4 inch screws: 4 pcs; Hex wrench: 1 pcs; [Safe quality] There may be scratches or dents on the outer box during transportation, but please rest assured that the contents will not affect the product. Also, if you have any questions or problems about the product, please feel free to contact us at any time.