Buy on Amazon : br br TRS 14 Inch Patch Bay Solvent Injector Tool-by tecnec br br BURNISHING PROBES Burnishers eliminate noise and intermittency encountered in normal patching situations br Stop the scratchy static sounds caused by dirt spills and corrosion br Simply insert the burnishing tool twist and remove br Use this tool if you have problems with a patch jack in standard patching situations br SOLVENT INJECTORS Clean noisy and intermittent connections in the breaking contacts normals of the patch jack that occur after a patch cord has been removed