Color-Keyed® Lug Compression Connector, 1-Hole, Aluminum/Copper Conductor, 4/0 AWG Conductor, Die Code: 54, 600 VAC, 3/8 in Stud, 1.08 in L x 0.78 in W x 0.23 in THK Tongue, 2-1/2 in Overall Length, Standard, 0.7 in Dia Barrel, 90 deg C, Aluminum, Olive