MPQ4389 Features: * Double offset mechanical connector * Manufactured from high strength pure electrolytic copper to insure both maximum strength and conductivity * Conductors are inserted between arched pressure bar and v-bottom collar which positions the wire for positive contact and maximum secureness * Steel plated screws to prevent rusting * Easy to install with screwdriver, wrench or pliers * UL486A / CSA listed * Wire range: 2-4/0 * Bolt: 0.41"" * Box quantity: 6 Color/Finish: * Plain copper finish Specifications: * Rated 600 volts * Rating: 450 Amps Dimensions: * Dimensions: 0.94"" H x 1.5"" W x 3.38"" D Warranty: * 1 Year warranty