Achieve leverage and optimal viewing with the dual pivot arm. Choose between a small 51mm 2 or medium 75mm 3 in length dual pivot arm to suit your needs. Both arms are compatible with all quad lock 360 head and bases. Optimal viewing dual pivot arms can be rotated 360 degrees x 180 degrees. The two ball heads at either end also offer 180 degrees and 360 degrees movement for greater angle options. Easy adjustability the dual pivot arm comes with two options for easy adjustability hex screw for anti-theft protection thumb screw for easy adjustment on the go preload tension both adjustability options work with our preload tension so the arm doesn't disassemble when adjusting the angle. If needed, the arm can still be easily detached from the base connecting ball.