SmallRig Bottom Mount Plate with Dual 15mm Rod Clamp 5609 provides high compatibility with mainstream photography equipment and cages. Its compact rail design ensures both stability and lightweight operation. The included 15mm carbon fiber dual rods (20cm / 7.9″ in length) are both portable and durable, enabling versatile expansion with follow focus units (ID 5163, 4757), focus motors (ID 4297), and more. The base features multiple 1/4″-20 and 3/8″-16 threaded holes, ensuring compatibility with a variety of quick release plates.