Weld On Grounding Stud, Grounding Wire Size 1/0 AWG, Material Steel, Number of Wires - Grounding 1, Description/Special Features Structural Steel Grounding Connector, For Maximum Ground Conductor Wire Size 1/0 AWG, For Minimum Ground Conductor Wire Size 1/0 AWG, For Use With Structural Steel, Grounding Wires Connected To 9/16 in Rod, Standards UL Listed Direct Burial, UL467, Type - Grounding Connector Mechanical, Accessory Type Grounding Connector, For Rod Dia. 5/8 in, Overall Length 5 11/16 in