12" Alligator Pliers, Minimal Hand Force Reequipped As Alligator Is Self Locking On Pipes & Nuts Without Slipping, 7 Position Adjustment Allowing For A 2" Capacity, Gripping Surfaces With Special Teeth Hardened To Approximate 61HRC, Chrome Vanadium Electric Steel, Oil Hardened & Tempered, Polished Head With Dipped Handles.