The third generation of punch pliers enhanced version is the third generation of an upgraded version of the industry's only with a double spring and card needle iron punch pliers, double spring and card needle iron needle retracement does not pin , Greatly improve the efficiency of drilling, a set of words to the hole ten minutes to play, punch pliers with a 20 cm long handle, punch convenient (labor-saving, girls can punch Oh), and perforated aperture 2.5mm, 3.2mm, 3.5mm, 4.2mm four aperture (various sizes of self-tapping screws can be used), red needles with blunt can be gently polished to a sharp angle to continue to use, be careful not Grinding is too short, to a certain extent can not be used, the use of what is not clear at any time to contact customer service, customer service will do its best to answer it!