ILSCO Split Bolt, Mechanical connection, Dual Rated, Aluminum material, Tin plated connector, UL 486A/B Listed, C22.2 No. 65, C22.2 No. 188, Copper/Aluminum Primary Conductor 6 Str - 10 Str and 6 Sol - 10 Sol, Copper/Aluminum Secondary Conductor 6 Sol - 10 Sol and 6 Str - 10 Str, 1 conductors, 1 ports/wireways, Drive Type Main 9/16, 3/4 External Hex, rated for 35 kV, primary color Silver, 1 poles,