Record Irwin compact quick release engineers vices with special jaws and slide design to provide extra space for holding irregularly shaped work. Ideal for fitting and filing with an integral anvil which permits hammering. The reinforced body and slide, large diameter main screw and through bolted jaws invest these vices with the working strength and resilience to withstand the most demanding work. 84-34 Heavy-Duty Quick Release Engineers Vice. Jaw width 115mm (4.1/2in).