Features:

a.  Revolutionary stepless adjusting mechanism by simply pressing a push-button;

b.  The more force on handle the more pressure will be resulted onto the jaw faces applying a more tighten grip to realize non-slip function;

c.  Non-injury is guaranteed on fastening and releasing hexagon bolts and nuts.

d.  More simple processing is required than common adjustable wrench with worming system.

*it’s not only an invention but a new concept in instant and firm gripping system.