1. With 120�° deflection boom, 30�° left and 90�° right. 2. The competitive price that makes you scream! 3. The appearance is designed by the Italian designer. 4. Increase air outlet, improve the heat dissipation capacity. 5. Optional extension track. 6. The actual weight can be 1.1 Ton. 7. Using S355 steel material which is good steel plate strength.