U Bolt Style Copper Ground Clamps 1 Conductor 1/2" or 3/4" Pipe #4 - 2/0 - This U Bolt Style Copper Ground Clamps 1 Conductor accomodates One Ground Electrode for bonding to Water Pipe or FencingU Bolt Style Copper Ground Clamps 1 Conductor 1/2" or 3/4" Pipe #4 - 2/0 features include: U Bolt Style Ground Clamp Connect Single Ground Wire Parallel or at Right Angle to Water Pipe, Copper Tubing, Ground Rod or Fencing UL467 Listed For Direct Burial and Bonding Grounding Applications Used with Continuous Grounding Loops Cast of High Strength High Conductivity Copper Stainless Steel Bolt, Nuts and Lock Washers Dimension Measurements = Inches Order Qty of 1 = 1 Piece Below is more info on our U Bolt Style Copper Ground Clamps 1 Conductor 1/2" or 3/4" Pipe #4 - 2/0