Surecrimp Copper Compression Lug, Copper material, Tin plated connector,Long barrel, standard tang, 2 mounting hole(s), mounting bolt/stud size #10 in, mounting hole spacing 1 in., UL 486A/B Listed, UL 467 Listed, C22.2 No. 65-03, 180. connecting angle, Copper Primary Conductor 4 Sol, 4 Str, sight window, Square tang end, rated for 35 kV, die color code Gray, primary color Silver, die index I-29,