Morris Products 91680 Ground Clamp, With 360 Degree Bar, Used With Armored and Unarmored Wire, 1/2 - 1" Water Pipe Range, 10 - 6 Wire Range Ground Clamp with 360 degree Cable Clamp for Armored or Unarmored Wire - A 360 Degree Rotating Cable Clamp makes this Armored Wire Clamp versatile and easy to use Used to ground Armored or Unarmored wire to Water Pipe, Copper Tubing and Ground Rod 360 Cable Clamp for Armored Wire manufactured from Cast Copper alloy Supplied with Steel Screws, Zinc Plated for corrosion resistance Standard collar and Special Pressure Bar grips Cable Insulation to decrease chances of conductors pulling out