Morris Products 90926 Mechanical Panelboard Lug, Four Conductors, Aluminum, 750 AWG, 750mcm - 3/0STR. Wire Range Aluminum Mechanical Lugs Panelboard Lugs - 4 Conductors - Aluminum alloy Panelboard Lug with 4 Conductors Aluminum alloy panelboard lug manufactured from high strength 6061-T6 aluminum alloy to insure both maximum strength and conductivity AL9CU Dual rated for both copper and aluminum conductors Electro-tin plated to provide low contact resistance and protection against corrosion Assembly can be made with only a screwdriver or allen wrench and they are re-usable