Color-Keyed® Compression Connector Lug, 1-Hole, Aluminum/Copper Conductor, 4/0 AWG Conductor, Die Code: 66H, 35 kVAC, 5/16 in Stud, Straight Tongue, 0.88 in L x 1.21 in W x 0.25 in THK Tongue, 3.53 in Overall Length, Blind End/Long Barrel, 0.857 in Dia Barrel, Tin Plated Finish, 90 deg C, Aluminum, White