One-Hole Lug Compression Connector, Color Code Green, Die Code 1,028, For Stud Size 5/8 in, For Stranded Copper Wire Size – Minimum 500 kcmil, For Stranded Copper Wire Size – Maximum 600 kcmil, Hole Center to Center Not Applicable, Material Copper, Maximum Operating Temperature 194 Degrees F, Standards CSA Certified, UL 486A-486B, UL Listed, Connector Type Belled Straight Barrel