The Heavy-Duty 600 Amp Ground/Work C-Clamp features a 2.5” jaw opening and 2” throat depth to accommodate a variety of workpiece shapes and sizes. Constructed from copper alloy to use in high amperage ground applications. The C-Clamp design allows for ease to move from one fixture to another without having to remove the ground device, resulting in less downtime and more productivity. Max cable: 4/0.