This Knipex Pipe S-type Pipe Wrench has the following specifications: Overall Length: 330mm Clamping Capacity: Pipes 42mm (1.5/8in) The Knipex S-Type Pipe Wrenches offers time-saving, precise adjustment of the gripping width directly onto the workpiece at the push of a button. Less effort is required thanks to the self-locking action. Its gripping jaws feature specially hardened teeth, hardness approx. 56 HRC. Hardened handles allow for maximum load capability and a pinch guard prevents operators' fingers from being pinched.