The Hobart 00-070196 Upper Knife Guard Knob & Stud is a replacement hardware component used in commercial systems to secure the product in place. With a 1" diameter knob and 1 7/8" length, the assembly includes a 3/8" male threaded stud that threads into the slicer’s guard mounting point. Installed by the operator, the knob allows easy manual tightening or loosening of the guard for c... https://www.partsfe.co.uk/hobart-00-070196-upper-knife-guard-knob-stud