One-Hole Lug Compression Connector, Barrel Size Standard, Color Code Red, Die Code 324, Tongue Angle Straight, Tongue Width 1.26 in, For Conductor Material Aluminum, Copper, For Stud Size 1/2 in, For Stranded Copper Wire Size - Minimum 250 kcmil, For Stranded Copper Wire Size - Maximum 250 kcmil, Inspection Hole No, Hole Center to Center Not Applicable, Material Aluminum, Maximum Operating Temperature 194 Degrees F, Maximum Voltage 35 kV AC, Termination Style Crimp