1) The shaft can be rotated 360 degrees.
2) Jaw can be left and right 11 directions, maximum 45 degrees.
3) The jaws can be opened by a reset button or by pressing the outward firing handle with only one hand (holding the stapler).
4) The large release button with anti-skid function makes the disassembly of cartridge easier.
5) I-type bridge design, so that the height of the staples is at the same height.