Feature●Go gauges will allow quick quality control at any time●Works with the KNIPEX Crimping Pliers - Four-Mandrel for DT Contacts (97 52 67 DT)●Go gauge must fit●No-go gauge (97 59 67 2) also available separatelyDescription Go gauges will allow quick quality control at any time. Works with the KNIPEX Crimping Pliers - Four-Mandrel for DT Contacts (97 52 67 DT). Go gauge must fit. No-go gauge (97 59 67 2) also available separately.