Top Entry Lay-In Pipe/Rebar Ground Clamp - Our Copper Alloy Top Entry Lay-In Copper Ground Clamp is suitable for Direct Burial in Earth or Concrete.Top Entry Lay-In Rebar Ground Clamp features include: Used to Connect Grounding Conductors Parallel to Water Pipes, Ground Rods, Copper Water Tubing or Rebar Lay-In Ground Conductor at Top of Conector Parallel to Pipe/Rebar for easy wire insertion Cast of High Strength Copper Alloy containing 80#37; or more Copper Supplied with Copper or Stainless Steel Screws Suitable for Direct Burial in Earth amp; Concrete Provides Maximum Conductivity amp; Strength Direct Burial marked on Copper ground clamps UL467 Listed for Direct Burial and Grounding Bonding Applications cULus Dimension Measurements = Inches Order Qty of 1 = 1 Piece Below is more info on our Direct Burial Top Entry Lay-In Rebar Ground Clamp