Originally Posted by reptilezs

the groove lock pliers from irwin vise grip are more similar to the knipex cobra pliers. these are different. the knipex pliers wrench is a high leverage parallel jaw plier. the jaw rides in a track and always stays parallel with the other. i have not seen another product that matches it. channellock makes smooth jaw pliers but they are not always parallel or high leverage. a german company NWS makes smooth jaw pliers with one pivoting jaw, close but not high leverage.