ILSCO Copper Compression Lug, Copper material, Tin plated connector,Standard barrel, 1 mounting hole(s), mounting bolt/stud size 1/2 in, UL 486A/B Listed, C22.2 No. 65-03, 180° connecting angle, Copper Primary Conductor 4/0 Str, sight window, Round tang end, flex conductor range 3/0 G,H,I,K,M,DLO, rated for 35 kV, die color code Purple, primary color Silver, die index I-54,