Burndy Unitap™ In-line splice reducer features 6061-T6 aluminum construction with EPDM rubber insulation. It measures 8.5-Inch x 2.81-Inch. This 2-Port reducer has 8-AWG - 350-KCMIL aluminum conductor and 12-AWG - 350-KCMIL copper conductor. It has 5/16-Inch Hex stud. Splicer reducer is suitable for direct burial and water-tight or below grade application. Splicer reducer is UL listed, CSA certified and RoHS compliant.