Butted seam-construction prevents splitting under maximum pressure Internal barrel serrations grip wires tightly to resist pull-out and reduce electrical resistance Tin-plated brass construction for corrosion resistance Wire range stamped on metal surface for easy interpretation Shouldered barrel insulation quickly positions terminal for proper crimping Expanded insulation entry accommodates a wide variety of insulation diameters and provides additional insulation support Color coded for easy identification. Funnel entry on disconnect terminal quickly guides wires into crimp barrel and eliminates turned-back strands.