The Megger 6111-503 Set of 2 DH4 Duplex Handspikes is an accessory for use with the DLRO10 and DLRO10X Digital Micro-Ohmmeters. The duplex handspikes have spring-loaded tips and a length of 4 feet. The spring loaded hand spikes compress to make contact with a conductor. One handspike includes an indicator light that operates with the DLRO10 model for connection indication and live warning. The light emitting diodes (LEDs) on one probe confirm connection and the presence of live current. With the DLRO10X model, the lights can indicate test limit pass/fail.