Aluminum One-Hole Lug - Straight Long Barrel, Wire Range 3/0, 4/0 ASCR, 3/0, 4/0, 250 Stranded, 250 - 300 kcmil, 1/2 Inch Bolt Size, Blind-End, Hydraulic Dies: B80EA, EEI 13A, 655, 1 1/8, 321, 96H, CSA 26. For Aluminum and Copper Conductors ALS13 3/0-250kcmil AL/CU 1H COMPRESSION TERM LUG