One-Hole Lug Compression Connector, Barrel Size Long, Color Code Gray, Die Code 29, Tongue Angle Straight, Tongue Width 0.63 in, For Conductor Material Copper, For Stud Size 5/16 in, For Stranded Copper Wire Size - Maximum 6 AWG, Inspection Hole No, Hole Center to Center Not Applicable, Material Aluminum, Maximum Voltage 35 kV AC, Standards CSA Certified, UL Listed, Number of Holes 1, Barrel Outside Diameter 0.35 in, Connector Type Straight Barrel, Contact Finish Tin