Burndy KVSU28 Two Bolt Copper Alloy Connector With Spacer 1/0-4/0 Main 6-4/0 Tap Dual Rated AL or CU Conductor(s) Aluminum Run Size (Range) 1/0 AWG-4/0 AWG Copper Tap Range 6 AWG-4/0 AWG CopperWeld Solid Run Size (Range) 2/0 - 4/0 Copper Stranded Run (Range) 1/0 -4/0 AWG CopperWeld Stranded Tap Size (Range) #6 - 4/0 CopperWeld Solid Tap Size (Range) #6 - 4/0 Aluminum Tap Size (Range) 6 AWG-4/0 AWG Galvanized Steel Size (Range) 3/8 (7) in-1/2 (19) in CopperWeld Stranded Run Size (Range) 2/0 - 4/0Burndy LLC - USA