Arlington GC50 1/2" Zinc Ground Clamp 25 PackArlington GC50 GC50 Product Description Zinc grounding connector for 1 2" knockout. #8 to #2 stranded and solid copper and aluminum grounding electrode. Specification: Manufacture Arlington Weight 0. 127 lbs each Height 1. 845" Width 1. 109" Color Silver Material(s) Zinc #8 to #2. Stranded and solid copper and aluminum About Arlington: Arlington Industries, Inc. was founded in 1949, and in its early years served the electrical industry as a regional