Industrial Grade Driving Heads protects the internal thread and the top of the copper earth rod from damage when being driven into the ground. The Driving Heads come in different length size ranging from 38mm to 45mm with a diameter size ranging from 16mm to 25mm. The Driving Heads has a sturdy construction that can bear tough working conditions. Industrial Grade Driving Heads can be availed in different specifications and dimensions to suit the specific requirements.