Klein Tools 10 inch (254 mm) Pump Pliers feature a secure tongue and groove design for a non-slip grip even when heavy pressure is applied. It has a tension-loaded joint to reduce handle wobble for sure gripping. Plastic-dipped handles provided added comfort and ease of identification.PRODUCT FEATURES:- Quick-Adjust Rivet allows one-handed fast, easy adjustment of plier jaws - 1-3/4-Inch (44 mm) maximum parallel jaw opening for a range of applications - Smoothly adjusts between six machined tongue and groove jaw positions - Secure tongue and groove design for non-slip grip -- even with heavy pressure - Robust teeth for sure gripping action - Induction hardened jaws for long life