Rolled spring steel bar provides maximum pressure held throughout the whole job Fixed jaw surface is grooved to achieve maximum grip Spring activated back brake keeps moving jaw firmly in position Covered double-threaded screw doubles both pressure and speed with a greasing hole for optimum lubrication Dismountable, interchangeable easy grip handle. Specifications Bar Thickness .3 in Bar Width 1.4 in Body Material Nodular Cast Iron Jaws; Heat-Rolled Steel Bar Brand PIHER Country of Origin ES Handle Type Dismountable; Interchangeable; Nylon and Fiberglas Hazmat NO Load Cap. [Nom] 9,000 N ORMD NO Opening Size [Max] 8 in Prop 65 NO Spindle Diam 1.1 in Stock Status In Stock Throat Depth [Nom] 5 in