1.Designed for FX6 / FS5 / FS5 II, convenient to attach the monitor, wireless transmitter and other accessories; 2.Stretchable pins and anti-twist positioning pins for preventing deflection and ensuring safety; 3.A magnetic wrench at the bottom of the thumb lever for tightening the thumbwheels; 4.Weighing only 88g, compact and easy to carry around and store;