6 Hole 4 Circuit Ground/Neutral Bars - Copper - Copper Neutral Bars for Grounding or Neutral Terminations in Panels and Control Systems6 Hole 4 Circuit Ground/Neutral Bars - Copper features include: Copper Ground/Neutral Bars are Made from High Conductivity Copper Copper Ground/Neutral Bars are Range Taking For Copper Conductors Only 600 Volt cULus Listed Dimension Measurements = Inches Order Qty of 1 = 1 Piece Below is more info on our 6 Hole 4 Circuit Ground/Neutral Bars - Copper