Compression Lug,4 Awg,Color Code Gray, Barrel Size Standard, Color Code Gray, Die Code 29, For Conductor Material Copper, For Stud Size 5/16 in, For Stranded Copper Wire Size - Maximum 4 AWG, Inspection Hole Yes, Hole Center to Center 1 in, Material Copper, Maximum Voltage 35 kV AC, Standards CSA Certified, UL Listed, Number of Holes 2, For Wire Type Stranded