One-Hole Lug Compression Connector, Barrel Size Long, Color Code Gray, Die Code 29, Tongue Angle Straight, Tongue Width 0.69 in, For Conductor Material Copper, For Stud Size 1/2 in, For Stranded Copper Wire Size - Minimum 4 AWG, For Stranded Copper Wire Size - Maximum 4 AWG, Inspection Hole Yes, Material Copper, Maximum Operating Temperature 300 Degrees F, Maximum Voltage 600 V AC, Termination Style Crimp, Seam Style Seamless, Standards CSA Certified, UL Listed, Number of Holes 1