Mechanical Connector, For Conductor Material Aluminum, Copper, For Stranded Copper Wire Size - Minimum 1 AWG, For Stranded Copper Wire Size - Maximum 250 kcmil, Body Material Tin-Plated Aluminum, Number of Conductors 1, Connector Type Lug Kit, Compatible with Product Type Circuit Breaker, Number of Pieces 3, Overall Depth 1 1/4 in