Surecrimp Copper Compression Sleeve, Short Barrel, Compression connection, Copper material, Tin plated connector,Standard barrel, UL 486A/B Listed, UL 467 Listed, C22.2 No. 65-03, 180. connecting angle, Copper Primary Conductor 3 Str, 1 conductors, no sight window, flex conductor range 4 G,H,I,K,M,DLO, rated for 35 kV, die color code White, primary color Silver, die index I-29,