Copper Compression Lug, Bevel Entry, 1 Hole With Inspection Window, Standard Barrel, 3/8 Inch Stud, 4/0 AWG Flex & 4/0 AWG Stranded & 4/0 (550/#24) DLO, Tin Plated, Purple, 600 Volt - 35 Kilo-Volt Specifications: Barrel SHORT Bolt Hole 3/4 INCH Gauge 4/0 AWG Holes 1 HOLE Inspection Hole YES Lug Material COPPER Type FLEX COMPRESSION