The Megger 6320-245 professional ground test kit is a kit of accessories for conducting ground resistance tests with a Megger DET3 or DET4 ground resistance tester (sold separately). The kit includes 50m (164’) red and black cable reels, 30m (98’) yellow and green cable reels, 4m (13’) earth electrode leads, a 4mm shrouded plug and large croc clip, 4 auger-style spikes, fiberglass measuring tape, and a molded plastic carrying case that holds all of the accessories. The 6320-245 is an accessory for use with Megger DET3 and DET4 series ground resistance testers.