PEM multiwired extension bars extend the reach of autojointed probes. They are designed to be used with multiwired probes (SP25M scanning probes as well as third party optical probes).Compatible heads:•PH10M PLUS•PH10MQ PLUS•PH10M-IQ PLUS•PH6MCompatible probes:•SP25M•TP6A•TP7M•Third-party probes