Miller 100mm M10 Clamp Nut Long is a passive, mechanical accessory for 100mm CX, CXV and CXVPlus fluid head systems. It provides a precise, secure connection within compatible 100mm head mounts, supporting alignment and stability in professional setups. The part measures 90 x 50 mm and weighs 0.16 kg. It contains no motor, power supply or stabilization features and is intended solely as a mounting interface for compatible heads.