This 15mm Rod Holder to NATO Rail Adapter is the perfect option for mounting NATO based accessories onto 15mm rods. This adapter features an integrated unidirectional NATO Rail with a safety pin on one side for additional security. It can be used to to mount the Nucleus Nano II Hand Wheel onto a 15mm rod, which mimics the position of a mechanical follow focus. The 1/4"-20 threads with locating points on this attachment can also be used to mount Articulating Arms, and other accessories. The Toggle Screw can rotate 360° and quickly readjust for secure installation and fast assembly or disassembly.