U Bolt Style Copper Ground Clamps 3 Conductor 4" Pipe #4 - 250 MCM - This U Bolt Style Copper Ground Clamps 3 Conductor accomodates 3 Ground Electrodes for bonding to Water Pipe or FencingU Bolt Style Copper Ground Clamps 2 Conductor 4" Pipe #4 - 250 MCM features include: U Bolt Style Ground Clamp Connect 3 Ground Wires Parallel or at Right Angle to Water Pipe, Copper Tubing, Ground Rod or Fencing Used with Continuous Grounding Loops Cast of High Strength High Conductivity CopperAlloy Stainless Steel Bolts, Nuts and Lock Washers UL467 Listed For Direct Burial and Grounding/Bonding Applications cULus Listed Dimension Measurements = Inches Order Qty of 1 = 1 Piece Below is more info on our U Bolt Style Copper Ground Clamps 3 Conductor 4" Pipe #4 - 250 MCM