Stable in any situation
Stable in close: powered close, stop at any time.
Stable in fire : powered fire, cut or stop at any time. Stable in reposition: Powered open, easy and no shaking.

One-handed even in case of knife reverse
Articulation turning: one-handed in pulling rotating knob to turn left or right
Safety switch: one-handed in pressing safety button by thumb or index finger
Open jaws : one-handed in pressing open button
Knife reverse: one-handed even in case of knife reverse