Aluminum Mechanical Lugs Panelboard Lugs - 4 Conductors 600MCM - 2 - Aluminum alloy Panelboard Lug with 4 Conductors.Aluminum Mechanical Lugs Panelboard Lugs - 4 Conductors 600MCM - 2 features include: 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 NEMA Drilling 1-3/8 Centers Aluminum lug rated 600V 194deg;F (90deg;C) UL486B/CSA Listed Dimension Measurements = Inches Order Qty of 1 = 1 Piece Below is more info on our Aluminum Mechanical Lugs Panelboard Lugs - 4 Conductors 600MCM - 2