Bare Wire Ground Clamp, Open Lug, 3/8 to 1", 10 to 2 AWG, Bronze By Arlington 717DB

Rebar Ground Clamp, 1/2", 8 to 4 AWG, Bronze By Greaves J30-DB

Bare Ground Clamp, Pipe Diameter 2-1/2 to 4", 10 - 2 AWG, Bronze Clamp With Steel Screw By Penn-Union KP4

1/2" - 1" Ground Clamp By Dottie DLI25

Bare Ground Clamp, 1-1/4" - 2", Bronze By Dottie DB27