ILSCO® ClearChoice® Mechanical Terminal Lug, 4-Conductor Dual Rated, Series: T4A4, Aluminum/Copper Conductor, 6 AWG to 350 kcmil Conductor, 1/2 in Stud, 3 in L x 3.937 in W x 0.313 in THK Tongue, 2000 VAC, 5/16 in Hex, 1-3/4 in Mounting Hole Spacing, 90 deg C, 6061-T6 Aluminum Alloy, Electro-Plated Tin, 4.313 in L x 3.937 in W x 1.375 in H