The PK-1 cutter, designed specifically for opening bags,
has been renewed. In addition to enhanced durability, the design
has been improved with a larger grip protrusion for better handling.
Furthermore, the guide indicating the blade tip position is now
more visible, making it easier for anyone to open bags neatly and
effortlessly.

PK-2▽
https://www.olfa.co.jp/en/products/6304.html