The IRWIN® Vise-Grip® Curved Jaw (CR) Locking Pliers feature a unique self-energising lower jaw that delivers 3x more gripping power than traditional locking pliers, with absolutely no slipping or stripping. They can establish multiple contact points, guaranteeing a significantly tighter grip. As a result, the CR range is especially well-suited for performing in greasy work environments and for manoeuvring in tight spaces where a worker cannot easily get two hands on a tool. The patented curved jaw securely grips multiple surface shapes including round pipes, square or hex bolts and more. The slotted geometry of the newself-energisingVise-Grip CR locking pliers exponentially increases torque for more secure clamping.These IRWIN® Vise-Grip® Curved Jaw Locking Pliers have the following specification: Length: 178mm (7in).Capacity: 38mm.Additional Information:Plier Type: Curved JawSize (mm): 178Capacity (mm): 38