Copper Conduit Hub Adaptors for Ground Pipe Clamps 3/4" Hub - Our High Conductivity Conduit Hub Adaptors for Copper Pipe Clamps are easy to use and highly durable.Copper Conduit Hub Adaptors for Ground Pipe Clamps 3/4" Hub features include: Conduit Hubs are Mounted on the Standard Copper Ground Pipe Clamps to Ground Electrical Conduits Use with MORRIS Ground Pipe Clamps Cat# 90627, 90628, 90598, 90599 Allows for Maximum Flexibility in the Field High conductivity Copper Pipe Clamps are cast of High Strength, High Conductivity Copper Alloy For Grounding Electrical Conduits to water pipe or Copper tubing Can also purchase pre-assembled clamp and adaptors Morris Part# 90601 thru 90606 Dimension Measurements = Inches Order Qty of 1 = 1 Piece Below is more info on our Copper Conduit Hub Adaptors for Ground Pipe Clamps 3/4" Hub