Color-Keyed® Compression Connector Lug, 1-Hole, Series: 54100, Copper Conductor, 4 AWG Conductor, Die Code: 29, 35 kVAC, 5/16 in Stud, 45 deg Tongue, 0.66 in L x 0.61 in W x 0.07 in THK Tongue, Standard Barrel, 0.37 in Dia Barrel, Tin Plated Finish, 0.344 in Mounting Hole, Copper, Gray