ILSCO® Nimbus4flex® Insulated Multi-Tap Connector, Single Sided Entry Type PBTF, Aluminum/Copper/Copper Flex Conductor, 350 kcmil - 6 AWG Run/Main Size, 600 V, Chemical, Vibration, 5/16 in Hex, -45 to 90 deg C, Aluminum, 2.51 in L x 2.03 in W x 2.62 in H