Mechanical Connector, For Conductor Material Aluminum, Copper, For Stud Size 5/16 in, Head Style Hex, Hole Diameter 0.33 in, Body Material Aluminum, Number of Conductors 1, Connector Type Transformer Lug Kit, Compatible with Product Type Aluminum Cable, Copper Cable, Connection Orientation Dual Rated Lug, Contact Finish Tin, Includes (12) KA29U, (16) 1/4-20 in Hex Head Nut, (8) 1/4-20 x 2 in Hex Head Bolt, (8) 1/4-20 x 3/4 in, Captive to Nut, Overall Depth 7 in