Pliers, Adjustable Jaw Pump Pliers, Tongue and Groove, with Dual Material Handles, 10-Inch Klein Tools J502-10 Quick-Adjust rivet allows one-handed fast, easy adjustment of plier jaws Smoothly adjusts between six machined tongue and groove jaw positions Secure tongue and groove design for non-slip grip - even with heavy pressure Wide range of versatile jaw positions Tension-loaded joint to reduce handle wobble for sure gripping