Blackburn E-Z Ground Water Pipe Grounding Clamp, Dual Rated, 1/2 to 1 in Pipe, Aluminum/Copper/Solid/Stranded Conductor, 14 to 1/0 AWG Conductor, Aluminum, TiN Coated, 2-1/4 in W x 5/8 in D x 2-1/2 in H