Secure grip from pressing down on the top handle- no need to squeeze the handles together reducing user effort and strain. Unique jaw design shaped to eliminate nut-burring. Gripping teeth are specially hardened for a longer tool life. Has a guard that prevents the operators fingers from being pinched This 3 piece set of alligator pliers are designed with an ergonomic style. There was no sacrifice with this design. It has the comfort with the plastic dipped handles and the vanadium electrical steel material for the durability. This is a high performance pliers are for the professional. The following sizes are included: 7", 10" and 12".