Aluminum One-Hole Lug - Straight Long Barrel, Wire Range 1/0 ASCR, 1/0 Stranded, 2/0 Compact, 1/2 Inch Bolt Size, Blind-End, Mechanical Dies: 840, K840, 845, TX, Hydraulic Dies: 840, B49EA, EEI 11A, K840, 249, 76, CSA24. For Aluminum and Copper Conductors ALS5 1/0 AL/CU 1H COMPRESSION TERM LUG