The LINIAN Earth Rod Pro Bit is a simple effective solution for rapid and safe earth rod installations. The LINIAN EARTH ROD PRO has two components, sold separately. There is a reusable DRIVER (Standard SDS+ or MAX size), and a sacrificial tip BIT. · · · For rapid Earth Rod installation · · Threads onto any standard earth rod · · Bores through hard top layers and underground rock · · Quality Standard: All parts produced in the UK, compliant with ISO 901:2015 · · Perfect compatibility of 5/8″ BSW threads with copper earth rods · · Displaces ground material around instead of removing, providing solid connection · · The shaft is easily removed using a spanner 17mm allowing for additional rods to be connected or earth connection to be made.