Ground Clamp for Armored or Unarmored Wire 1/2"-1" - Our Armored Wire Ground Clamp is Excellent for Grounding Applications.Ground Clamp for Armored or Unarmored Wire 1/2"-1" features include: Used to ground armored or unarmored wire to water pipe, Copper tubing and ground rod Armored Cable Adaptor Pre-Installed on Clamp Cast of High Strength High Conductivity Copper alloy Supplied with Steel Screws, Zinc Plated for corrosion resistance Standard Collar and Pressure Bar grips Cable Insulation to resist Pull-Out Force on Conductor Ground clamp provides maximum conductivity amp; strength UL Listed Dimension Measurements = Inches Order Qty of 1 = 1 Piece nbsp;Below is more info on our Ground Clamp for Armored or Unarmored Wire 1/2"-1"