YELANGU BF01 Shock-absorbing Crested Damping Arm, Load: 3-15kg, BF01 Damping Head,Load: 3-15kg1. It stabilizes and smoothens the shots when you are moving or running with damping arm 2. It is Flexible and comfortable to operate, also convenient and safe 3. It is good partner for most of professional movie photographer 4. The design is high technology and reasonable 5. Made of quality material, durable to use Note: Vibration reduction can not be anti shake Specification: Package Weight One Package Weight 2. 69kgs 5. 93lb One Package Size 50cm *