Surecrimp Copper Compression Lug, Copper material, Tin plated connector,Long barrel, standard tang, 2 mounting hole(s), mounting bolt/stud size 1/2 in, mounting hole spacing 1.75 in., UL 486A/B Listed, UL 467 Listed, C22.2 No. 65-03, 180. connecting angle, Copper Primary Conductor 500 kcmil, no sight window, Square tang end, flex conductor range 350 G,H,I,K,M 373.7 DLO, rated for 35 kV, die color code Brown, primary color Silver, die index I-87,