Bronze Grounding Clamp with Lay In Lug, 25 PackDescription Bronze Grounding Clamp with Lay In Lug for Bare Wire and Pipe Size 1 2 to 1 in. These clamps may be used on variable pipe sizes and are made to accommodate bare cable. Primus Cables' unique labor saving design allows the upper portion of clamps to slide open easily and, attach to structural pipes and rebar without needing to remove the screws. The rotational movement of the clamps allows a quick removal if necessary. Their cast bronze