Split-Bolt Connector, Body Finish Tin Plated, Body Material Copper, For Conductor Material Aluminum, Copper, Steel, For Minimum Run Wire Size 1 AWG, For Maximum Run Wire Size 250 kcmil, For Minimum Tap Wire Size 8 AWG, For Maximum Tap Wire Size 250 kcmil, Head Style Square Head, Maximum Voltage 35,000 V, Torque 650 in-lb, Overall Length 2.66 in, Overall Width 1.14 in, Standards CSA Certified, UL Listed 486A Copper Only, Connects Copper to Aluminum Wire