Packaging equipment components like shafts, mechanical couplings, gears of all types, sprockets, V-belt pulleys, timing belt pulleys, insert pins, racks and pinions, knobs, handles, activation levers, components for magnetic clutch, components for magnetic brakes, idlers, rollers, bush bearings, cams, bearing housings, threaded and unthreaded inserts, spring hooks and related tensioning assemblies.