The Crescent Tongue and Groove Pliers are versatile utility pliers, ideal for objects of all shapes and sizes. They are forged from alloy steel and precision machined for long life and durability. The unique tooth design allows for a better grip and increases torque transfer with less effort. Self-locking jaw opening adjustment, Black-oxide finish to prevent corrosion, Straight jaw design, Long handles provide additional leverage, Rivet construction with precision machined joint interlock assures smooth, positive joint action, no chance of slipping position or coming apart under load, Alloy steel construction with induction-hardened teeth for maximum durability, Secure grip from the single-dip handle that wipes clean easily, 1-5/8" jaw capacity,